{"id":10098,"date":"2026-10-26T12:42:38","date_gmt":"2026-10-26T12:42:38","guid":{"rendered":"https:\/\/boyanmfg.com\/?p=10098"},"modified":"2026-10-26T12:46:57","modified_gmt":"2026-10-26T12:46:57","slug":"laser-welding-stainless-steel-tubes","status":"publish","type":"post","link":"https:\/\/boyanmfg.com\/ja\/laser-welding-stainless-steel-tubes\/","title":{"rendered":"\u30ec\u30fc\u30b6\u30fc\u6eb6\u63a5\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u7ba1\uff1a\u6eb6\u63a5\u5909\u8272\u3068\u53cd\u308a\u306e\u4f4e\u6e1b"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"10098\" class=\"elementor elementor-10098\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-98face9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"98face9\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b06fbdd\" data-id=\"b06fbdd\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b331501 elementor-widget elementor-widget-heading\" data-id=\"b331501\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_88 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title ez-toc-toggle\" style=\"cursor:pointer\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/boyanmfg.com\/ja\/laser-welding-stainless-steel-tubes\/#The_Challenge_in_Stainless_Steel_Tube_Welding_Discoloration_and_Warping\" >The Challenge in Stainless Steel Tube Welding: Discoloration and Warping<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/boyanmfg.com\/ja\/laser-welding-stainless-steel-tubes\/#Why_Weld_Discoloration_Matters_on_Stainless_Steel_Frames\" >Why Weld Discoloration Matters on Stainless Steel Frames<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/boyanmfg.com\/ja\/laser-welding-stainless-steel-tubes\/#Why_Stainless_Steel_Tubes_Are_Used\" >Why Stainless Steel Tubes Are Used<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/boyanmfg.com\/ja\/laser-welding-stainless-steel-tubes\/#What_Causes_Stainless_Steel_Weld_Discoloration\" >What Causes Stainless Steel Weld Discoloration?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/boyanmfg.com\/ja\/laser-welding-stainless-steel-tubes\/#How_Weld_Discoloration_Creates_a_Chromium-Depleted_Zone\" >How Weld Discoloration Creates a Chromium-Depleted Zone<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/boyanmfg.com\/ja\/laser-welding-stainless-steel-tubes\/#Why_Chromium_Content_Matters_for_Corrosion_Resistance\" >Why Chromium Content Matters for Corrosion Resistance<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/boyanmfg.com\/ja\/laser-welding-stainless-steel-tubes\/#Why_Stainless_Steel_Tubes_Are_More_Prone_to_Welding_Bowing\" >Why Stainless Steel Tubes Are More Prone to Welding Bowing<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/boyanmfg.com\/ja\/laser-welding-stainless-steel-tubes\/#Why_Austenitic_Stainless_Steel_Is_Commonly_Used_for_Welded_Tubes\" >Why Austenitic Stainless Steel Is Commonly Used for Welded Tubes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/boyanmfg.com\/ja\/laser-welding-stainless-steel-tubes\/#Why_Austenitic_Stainless_Steel_Warps_More_Than_Carbon_Steel\" >Why Austenitic Stainless Steel Warps More Than Carbon Steel<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/boyanmfg.com\/ja\/laser-welding-stainless-steel-tubes\/#Why_Excessive_Weld_Warping_Is_a_Problem\" >Why Excessive Weld Warping Is a Problem<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/boyanmfg.com\/ja\/laser-welding-stainless-steel-tubes\/#What_We_Saw_in_This_Stainless_Steel_Tube_Welding_Case\" >What We Saw in This Stainless Steel Tube Welding Case<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/boyanmfg.com\/ja\/laser-welding-stainless-steel-tubes\/#The_Weld_Area_Stayed_Close_to_the_Original_Stainless_Steel_Color\" >The Weld Area Stayed Close to the Original Stainless Steel Color<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/boyanmfg.com\/ja\/laser-welding-stainless-steel-tubes\/#Tube_Bowing_Was_Relatively_Small\" >Tube Bowing Was Relatively Small<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/boyanmfg.com\/ja\/laser-welding-stainless-steel-tubes\/#Filler_Wire_Helps_but_Good_Fit-Up_Still_Matters\" >Filler Wire Helps, but Good Fit-Up Still Matters<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/boyanmfg.com\/ja\/laser-welding-stainless-steel-tubes\/#Good_Welding_Starts_with_Good_Tube_Cutting\" >Good Welding Starts with Good Tube Cutting<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/boyanmfg.com\/ja\/laser-welding-stainless-steel-tubes\/#Is_the_Laser-Welded_Joint_Strong_Enough\" >Is the Laser-Welded Joint Strong Enough?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/boyanmfg.com\/ja\/laser-welding-stainless-steel-tubes\/#Why_Laser_Welding_Produces_a_Different_Result\" >Why Laser Welding Produces a Different Result<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/boyanmfg.com\/ja\/laser-welding-stainless-steel-tubes\/#High_Energy_Concentration_in_a_Very_Small_Area\" >High Energy Concentration in a Very Small Area<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/boyanmfg.com\/ja\/laser-welding-stainless-steel-tubes\/#The_Heating_Time_Is_Very_Short\" >The Heating Time Is Very Short<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/boyanmfg.com\/ja\/laser-welding-stainless-steel-tubes\/#Why_Laser_Welding_Reduces_Discoloration_and_Tube_Bowing\" >Why Laser Welding Reduces Discoloration and Tube Bowing<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/boyanmfg.com\/ja\/laser-welding-stainless-steel-tubes\/#Limitations_of_Laser_Welding\" >Limitations of Laser Welding<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/boyanmfg.com\/ja\/laser-welding-stainless-steel-tubes\/#Joint_Gaps_Need_to_Be_Small_and_Consistent\" >Joint Gaps Need to Be Small and Consistent<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/boyanmfg.com\/ja\/laser-welding-stainless-steel-tubes\/#More_Complex_Tube_Intersections_Require_Accurate_Laser_Tube_Cutting\" >More Complex Tube Intersections Require Accurate Laser Tube Cutting<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/boyanmfg.com\/ja\/laser-welding-stainless-steel-tubes\/#More_Complex_Tube_Intersections_Require_Accurate_Laser_Tube_Cutting-2\" >More Complex Tube Intersections Require Accurate Laser Tube Cutting<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/boyanmfg.com\/ja\/laser-welding-stainless-steel-tubes\/#Material_Thickness_Is_Limited_by_Laser_Power_and_Penetration\" >Material Thickness Is Limited by Laser Power and Penetration<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/boyanmfg.com\/ja\/laser-welding-stainless-steel-tubes\/#Looking_for_a_Stainless_Steel_Tube_Welding_Company\" >Looking for a Stainless Steel Tube Welding Company?<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"The_Challenge_in_Stainless_Steel_Tube_Welding_Discoloration_and_Warping\"><\/span>The Challenge in Stainless Steel Tube Welding: Discoloration and Warping<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4e7eb0f elementor-widget elementor-widget-image\" data-id=\"4e7eb0f\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"900\" height=\"675\" src=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Stainless-Steel-Tube-Laser-Welding.jpg\" class=\"attachment-large size-large wp-image-10115\" alt=\"Stainless steel tube laser welding for a metal frame assembly\" srcset=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Stainless-Steel-Tube-Laser-Welding.jpg 900w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Stainless-Steel-Tube-Laser-Welding-300x225.jpg 300w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Stainless-Steel-Tube-Laser-Welding-768x576.jpg 768w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Stainless-Steel-Tube-Laser-Welding-16x12.jpg 16w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Stainless-Steel-Tube-Laser-Welding-600x450.jpg 600w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5ff0c03 elementor-widget elementor-widget-text-editor\" data-id=\"5ff0c03\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In <strong>stainless steel tube welding<\/strong>, joint strength is only one part of the challenge. For visible tube frames, <strong>stainless steel weld discoloration<\/strong> and heat-induced tube warping can be just as important, because they affect the appearance, dimensional accuracy, and amount of post-weld finishing required.<\/p><p>For buyers comparing <strong>stainless steel tube welding companies<\/strong>, these practical results may matter more than the welding method alone. In one of our recent frame projects, we used filler-wire <strong>laser welding stainless steel<\/strong> tubes to reduce the heat introduced around the joints. After welding, some black residue was visible, but it could be wiped away easily, leaving the surface close to the original stainless steel color. The frame also showed relatively little tube warping.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2e57f5e elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"2e57f5e\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a9440e4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a9440e4\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c2b4319\" data-id=\"c2b4319\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-edba3a0 elementor-widget elementor-widget-heading\" data-id=\"edba3a0\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Why_Weld_Discoloration_Matters_on_Stainless_Steel_Frames\"><\/span>Why Weld Discoloration Matters on Stainless Steel Frames<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-74ff997 elementor-widget elementor-widget-heading\" data-id=\"74ff997\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Why_Stainless_Steel_Tubes_Are_Used\"><\/span>Why Stainless Steel Tubes Are Used<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5632d4c elementor-widget elementor-widget-text-editor\" data-id=\"5632d4c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Stainless steel tubes are often selected for two main reasons: <strong>their clean appearance and their corrosion resistance<\/strong>. For a frame with exposed metal surfaces, heavy weld discoloration can therefore affect both of these advantages.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-741660f elementor-widget elementor-widget-heading\" data-id=\"741660f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"What_Causes_Stainless_Steel_Weld_Discoloration\"><\/span>What Causes Stainless Steel Weld Discoloration?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ebab63a elementor-widget elementor-widget-text-editor\" data-id=\"ebab63a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The discoloration seen around a stainless steel weld is mainly caused by <strong>high-temperature oxidation<\/strong>. During welding, chromium and iron at the surface react with oxygen and form a thicker oxide layer containing chromium oxides, iron oxides, and mixed oxides. As this oxide layer becomes thicker, it produces the familiar yellow, brown, blue, purple, or black heat tint.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-66e5d58 elementor-widget elementor-widget-image\" data-id=\"66e5d58\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"750\" height=\"563\" src=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Stainless-Steel-TIG-Weld-Discoloration.jpg\" class=\"attachment-large size-large wp-image-10116\" alt=\"Blue, purple, and brown heat discoloration around a TIG-welded joint on a stainless steel square tube frame.\" srcset=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Stainless-Steel-TIG-Weld-Discoloration.jpg 750w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Stainless-Steel-TIG-Weld-Discoloration-300x225.jpg 300w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Stainless-Steel-TIG-Weld-Discoloration-16x12.jpg 16w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Stainless-Steel-TIG-Weld-Discoloration-600x450.jpg 600w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Please note this is a TIG weld \uff08not  LASER\uff09 on stainless steel. You can see the blue and brown discoloration caused by the heat.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9cdc208 elementor-widget elementor-widget-heading\" data-id=\"9cdc208\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"How_Weld_Discoloration_Creates_a_Chromium-Depleted_Zone\"><\/span>How Weld Discoloration Creates a Chromium-Depleted Zone<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9ad8132 elementor-widget elementor-widget-text-editor\" data-id=\"9ad8132\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>More importantly, forming these oxides consumes chromium from the metal immediately beneath the surface. This can create a <strong>chromium-depleted zone<\/strong> below the heat-tinted area. Chromium is the key element that allows stainless steel to form its extremely thin, protective chromium-rich passive film.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5447bed elementor-widget elementor-widget-heading\" data-id=\"5447bed\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Why_Chromium_Content_Matters_for_Corrosion_Resistance\"><\/span>Why Chromium Content Matters for Corrosion Resistance<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-de9dd50 elementor-widget elementor-widget-text-editor\" data-id=\"de9dd50\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>About <strong>10.5% chromium<\/strong> is commonly regarded as the minimum level required for steel to behave as stainless steel under normal conditions. If the chromium concentration in a local surface region becomes too low, its ability to form and maintain a protective passive film is reduced. If that film is scratched or damaged, the chromium-depleted area also has less ability to <strong>re-passivate, or \u201cself-heal,\u201d<\/strong> making localized corrosion more likely.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-be6235d elementor-widget elementor-widget-text-editor\" data-id=\"be6235d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>For this reason, reducing stainless steel weld discoloration is not only an appearance issue. It can also help preserve the corrosion-resistant surface condition that made stainless steel attractive for the frame in the first place.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1062ace elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"1062ace\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e20158e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e20158e\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3898e69\" data-id=\"3898e69\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3d1a287 elementor-widget elementor-widget-heading\" data-id=\"3d1a287\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Why_Stainless_Steel_Tubes_Are_More_Prone_to_Welding_Bowing\"><\/span>Why Stainless Steel Tubes Are More Prone to Welding Bowing<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c994be1 elementor-widget elementor-widget-text-editor\" data-id=\"c994be1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Another common problem in <strong data-start=\"178\" data-end=\"210\">stainless steel tube welding<\/strong> is weld-induced bowing or deformation. This is especially noticeable on long, thin-walled tubes used in frames. When one side of a tube is heated and then contracts during cooling, the tube can bend away from its original straight shape.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6db8a33 elementor-widget elementor-widget-image\" data-id=\"6db8a33\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"900\" height=\"410\" src=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Welding-Distortion-Stainless-Steel-Tube.jpg\" class=\"attachment-large size-large wp-image-10119\" alt=\"A steel straightedge is used to check a welded stainless steel tube frame, with a magnified view showing slight bending near the middle.\" srcset=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Welding-Distortion-Stainless-Steel-Tube.jpg 900w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Welding-Distortion-Stainless-Steel-Tube-300x137.jpg 300w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Welding-Distortion-Stainless-Steel-Tube-768x350.jpg 768w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Welding-Distortion-Stainless-Steel-Tube-18x8.jpg 18w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Welding-Distortion-Stainless-Steel-Tube-600x273.jpg 600w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a56a309 elementor-widget elementor-widget-heading\" data-id=\"a56a309\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Why_Austenitic_Stainless_Steel_Is_Commonly_Used_for_Welded_Tubes\"><\/span>Why Austenitic Stainless Steel Is Commonly Used for Welded Tubes<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-66f12ef elementor-widget elementor-widget-text-editor\" data-id=\"66f12ef\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"160\" data-end=\"214\"><strong data-start=\"160\" data-end=\"214\">Austenitic Stainless Steels \u2014 304, 304L, 316, 316L<\/strong><\/p><p data-start=\"216\" data-end=\"393\">Austenitic stainless steels are our most common choice for welded tube structures. They have good weldability and normally do not require preheating or post-weld heat treatment.<\/p><p data-start=\"395\" data-end=\"547\">Because of these advantages, they are widely used in welded piping, tanks, pressure vessels, food-processing equipment, and stainless steel tube frames.<\/p><p data-start=\"549\" data-end=\"716\">Their main disadvantage during welding is their relatively high thermal expansion and low thermal conductivity, which make them more prone to weld-induced deformation.<\/p><p data-start=\"718\" data-end=\"763\"><strong data-start=\"718\" data-end=\"763\">Ferritic Stainless Steels \u2014 409, 430, 444<\/strong><\/p><p data-start=\"765\" data-end=\"886\">Ferritic stainless steels have lower thermal expansion than austenitic grades, which can help reduce welding deformation.<\/p><p data-start=\"888\" data-end=\"1097\">However, they are more sensitive to excessive heat input. High welding temperatures can cause grain growth in the heat-affected zone and reduce toughness. Heat input therefore needs to be carefully controlled.<\/p><p data-start=\"1099\" data-end=\"1241\">Preheating may be used for some grades, thick sections, or highly restrained joints, but it is not required for all ferritic stainless steels.<\/p><p data-start=\"1243\" data-end=\"1292\"><strong data-start=\"1243\" data-end=\"1292\">Martensitic Stainless Steels \u2014 410, 420, 440C<\/strong><\/p><p data-start=\"1294\" data-end=\"1396\">Martensitic stainless steels generally have a higher carbon content and a stronger hardening tendency.<\/p><p data-start=\"1398\" data-end=\"1555\">Depending on the grade and thickness, preheating\u2014often around 200\u2013300\u00b0C\u2014and post-weld heat treatment may be required to reduce hardness and prevent cracking.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ab70f18 elementor-widget elementor-widget-text-editor\" data-id=\"ab70f18\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>For stainless steel tube welding, austenitic grades therefore offer the best combination of weldability and fabrication convenience<\/strong>, but their thermal properties also make distortion control especially important.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0eb36a9 elementor-widget elementor-widget-heading\" data-id=\"0eb36a9\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Why_Austenitic_Stainless_Steel_Warps_More_Than_Carbon_Steel\"><\/span>Why Austenitic Stainless Steel Warps More Than Carbon Steel<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9515d10 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9515d10\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-abe5692\" data-id=\"abe5692\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-804eb21 elementor-widget elementor-widget-text-editor\" data-id=\"804eb21\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A comparison between 304 stainless steel and a typical low-carbon steel such as AISI 1020 shows why:<\/p><div style=\"overflow-x: auto; margin: 24px 0;\"><table style=\"width: 100%; border-collapse: collapse; font-size: 16px; line-height: 1.55;\"><thead><tr style=\"background: #f3f5f6;\"><th style=\"padding: 14px 16px; text-align: left; border-bottom: 2px solid #333;\">Thermal Property<\/th><th style=\"padding: 14px 16px; text-align: left; border-bottom: 2px solid #333;\">304 Stainless Steel<\/th><th style=\"padding: 14px 16px; text-align: left; border-bottom: 2px solid #333;\">AISI 1020 Carbon Steel<\/th><th style=\"padding: 14px 16px; text-align: left; border-bottom: 2px solid #333;\">What It Means for Welding<\/th><\/tr><\/thead><tbody><tr><td style=\"padding: 16px; border-bottom: 1px solid #ddd;\"><strong>Specific Heat<\/strong><\/td><td style=\"padding: 16px; border-bottom: 1px solid #ddd;\">~500 J\/kg\u00b7K<\/td><td style=\"padding: 16px; border-bottom: 1px solid #ddd;\">~486 J\/kg\u00b7K<\/td><td style=\"padding: 16px; border-bottom: 1px solid #ddd;\"><strong>Very similar<\/strong><br \/>This is not the main reason stainless steel warps more.<\/td><\/tr><tr><td style=\"padding: 16px; border-bottom: 1px solid #ddd;\"><strong>Thermal Conductivity<\/strong><\/td><td style=\"padding: 16px; border-bottom: 1px solid #ddd;\">~16.3 W\/m\u00b7K<\/td><td style=\"padding: 16px; border-bottom: 1px solid #ddd;\">~51.9 W\/m\u00b7K<\/td><td style=\"padding: 16px; border-bottom: 1px solid #ddd;\"><strong>Carbon steel conducts heat about 3\u00d7 faster.<\/strong><br \/>Heat stays more concentrated around the weld in 304 stainless steel.<\/td><\/tr><tr><td style=\"padding: 16px; border-bottom: 1px solid #ddd;\"><strong>Linear Thermal Expansion<\/strong><\/td><td style=\"padding: 16px; border-bottom: 1px solid #ddd;\">~17.3 \u00d7 10<sup>\u22126<\/sup>\/K<\/td><td style=\"padding: 16px; border-bottom: 1px solid #ddd;\">~11.7 \u00d7 10<sup>\u22126<\/sup>\/K<\/td><td style=\"padding: 16px; border-bottom: 1px solid #ddd;\"><strong>304 expands about 48% more.<\/strong><br \/>Greater expansion and contraction increases the tendency to bow or warp.<\/td><\/tr><\/tbody><\/table><\/div><p>The key difference is therefore not specific heat. Austenitic stainless steel has much lower thermal conductivity and a significantly higher thermal expansion rate than carbon steel. During welding, heat remains concentrated near the joint while the stainless steel expands and contracts more, making tube bowing and weld-induced deformation more likely.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d7a4214 elementor-widget elementor-widget-text-editor\" data-id=\"d7a4214\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"2611\" data-end=\"2839\">Please note:\u00a0<a href=\"https:\/\/www.nipponsteel.com\/en\/product\/stainless\/steel_shape\/\" target=\"_blank\" rel=\"noopener\">The 304 values are published by Nippon Steel<\/a>, while the AISI 1020 values are typical reference values reported by MatWeb. Actual values vary somewhat with temperature and material condition.<\/p><p data-start=\"2841\" data-end=\"2991\">The biggest difference is <strong data-start=\"2867\" data-end=\"2891\">thermal conductivity<\/strong>. Carbon steel conducts heat away from the weld roughly three times faster than 304 stainless steel.<\/p><p data-start=\"2993\" data-end=\"3124\">At the same time, the thermal expansion of 304 is almost 50% higher, while the specific heat of the two materials is quite similar.<\/p><p data-start=\"3126\" data-end=\"3181\">This creates an unfavorable combination during welding:<\/p><p data-start=\"3183\" data-end=\"3286\"><strong data-start=\"3183\" data-end=\"3286\">heat stays concentrated near the weld, while the heated stainless steel expands and contracts more.<\/strong><\/p><p data-start=\"3288\" data-end=\"3601\">As the weld cools, this uneven contraction can pull a straight tube into a bowed shape. World Stainless similarly notes that the relatively low thermal conductivity and higher thermal expansion of austenitic stainless steels increase their tendency to distort during welding.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-536aa41 elementor-widget elementor-widget-heading\" data-id=\"536aa41\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Why_Excessive_Weld_Warping_Is_a_Problem\"><\/span>Why Excessive Weld Warping Is a Problem<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2aff931 elementor-widget elementor-widget-text-editor\" data-id=\"2aff931\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"3648\" data-end=\"3699\">Excessive tube bowing affects more than appearance.<\/p><p data-start=\"3701\" data-end=\"3854\">It can change the overall dimensions and alignment of a frame, create problems during later assembly, and require additional straightening after welding.<\/p><p data-start=\"3856\" data-end=\"4122\">Large deformation can also indicate that the welding parameters, welding sequence, or heat input are not well controlled. Although fixtures can restrain visible movement during welding, excessive restraint may leave higher residual stresses in the finished assembly.<\/p><p data-start=\"4124\" data-end=\"4357\">In austenitic stainless steel, these residual tensile stresses can also increase susceptibility to <strong data-start=\"4223\" data-end=\"4252\">stress-corrosion cracking<\/strong> when the part is exposed to an appropriate corrosive environment, particularly one containing chlorides.<\/p><p data-start=\"4359\" data-end=\"4535\">For this reason, reducing unnecessary heat input is important not only for appearance and dimensional accuracy, but also for controlling the stresses introduced during welding.<\/p><p data-start=\"4537\" data-end=\"4763\" data-is-last-node=\"\" data-is-only-node=\"\">This is one of the main reasons we considered <strong data-start=\"4583\" data-end=\"4616\">laser welding stainless steel<\/strong> tubes for this frame: reducing the total heat introduced around each joint can help reduce both weld-related surface effects and <strong data-start=\"4746\" data-end=\"4762\">tube warping<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b1e5890 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"b1e5890\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6a2793e elementor-widget elementor-widget-heading\" data-id=\"6a2793e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"What_We_Saw_in_This_Stainless_Steel_Tube_Welding_Case\"><\/span>What We Saw in This Stainless Steel Tube Welding Case<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a14e394 elementor-widget elementor-widget-text-editor\" data-id=\"a14e394\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"102\" data-end=\"275\">For this project, we used <strong data-start=\"128\" data-end=\"175\">30 \u00d7 30 \u00d7 2 mm stainless steel square tubes<\/strong> to fabricate the frame. Instead of conventional TIG welding, we used <strong data-start=\"245\" data-end=\"274\">filler-wire laser welding<\/strong>.<\/p><p data-start=\"277\" data-end=\"449\">Our main concerns were the same problems we often see in stainless steel tube welding: <strong data-start=\"364\" data-end=\"448\">weld discoloration, tube bowing, and the amount of post-weld correction required<\/strong>.<\/p><p data-start=\"451\" data-end=\"546\">The video shows the actual welding process as well as the condition of the frame after welding.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-dc5814b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"dc5814b\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6032ed2\" data-id=\"6032ed2\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7000441 elementor-widget elementor-widget-heading\" data-id=\"7000441\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"The_Weld_Area_Stayed_Close_to_the_Original_Stainless_Steel_Color\"><\/span>The Weld Area Stayed Close to the Original Stainless Steel Color<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b4950f9 elementor-widget elementor-widget-text-editor\" data-id=\"b4950f9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"618\" data-end=\"704\">Immediately after welding, some black material could be seen around parts of the weld.<\/p><p data-start=\"706\" data-end=\"959\">At first glance, this may look like heavy <strong data-start=\"748\" data-end=\"786\">stainless steel weld discoloration<\/strong>. However, much of the black material could be wiped away easily. After cleaning, the surface underneath remained close to the original natural color of the stainless steel.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6c7a104 elementor-widget elementor-widget-image\" data-id=\"6c7a104\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"563\" src=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Stainless-Steel-Laser-Welding-close.jpg\" class=\"attachment-large size-large wp-image-10118\" alt=\"Close-up of a laser-welded stainless steel tube frame joint, showing a narrow weld seam with minimal heat discoloration.\" srcset=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Stainless-Steel-Laser-Welding-close.jpg 750w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Stainless-Steel-Laser-Welding-close-300x225.jpg 300w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Stainless-Steel-Laser-Welding-close-16x12.jpg 16w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Stainless-Steel-Laser-Welding-close-600x450.jpg 600w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7c10701 elementor-widget elementor-widget-text-editor\" data-id=\"7c10701\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"961\" data-end=\"1087\">This was important to us because removing weld discoloration after conventional welding is not always as simple as it appears.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b8385e4 elementor-widget elementor-widget-heading\" data-id=\"b8385e4\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Electrolytic Weld Cleaning Has Its Limitations<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b4bc902 elementor-widget elementor-widget-text-editor\" data-id=\"b4bc902\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"PDq2pG_selectionAnchorContainer\" style=\"padding-left: 40px;\" data-start=\"1142\" data-end=\"1340\">Electrolytic weld cleaning and passivation can produce a very clean appearance immediately after treatment. However, the chemicals used in the process must be thoroughly neutralized and rinsed away.<\/p><p style=\"padding-left: 40px;\" data-start=\"1342\" data-end=\"1446\">If residues remain on the surface or in small gaps, staining or patchy corrosion marks may appear later.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f8cbd5d elementor-widget elementor-widget-heading\" data-id=\"f8cbd5d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Blasting Changes the Original Surface Finish<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2d52ecc elementor-widget elementor-widget-text-editor\" data-id=\"2d52ecc\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"PDq2pG_selectionAnchorContainer\" style=\"padding-left: 40px;\" data-start=\"1499\" data-end=\"1675\">Blasting is another option. It can remove the discoloration and produce a uniform surface, but it also changes the original stainless steel finish into a more matte appearance.<\/p><p style=\"padding-left: 40px;\" data-start=\"1677\" data-end=\"1779\">For some products this is acceptable or even desirable, but for others it is not the preferred finish.<\/p><p style=\"padding-left: 40px;\" data-start=\"1781\" data-end=\"1940\">For this reason, we prefer to reduce weld discoloration during the welding process whenever possible rather than depend heavily on post-weld surface treatment.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-602492d elementor-widget elementor-widget-heading\" data-id=\"602492d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Tube_Bowing_Was_Relatively_Small\"><\/span>Tube Bowing Was Relatively Small<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-80b902b elementor-widget elementor-widget-image\" data-id=\"80b902b\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"324\" src=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Welding-Distortion-laser-welding.jpg\" class=\"attachment-large size-large wp-image-10120\" alt=\"A long spirit level placed on a laser-welded stainless steel tube frame to check for bending after welding.\" srcset=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Welding-Distortion-laser-welding.jpg 900w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Welding-Distortion-laser-welding-300x108.jpg 300w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Welding-Distortion-laser-welding-768x276.jpg 768w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Welding-Distortion-laser-welding-18x6.jpg 18w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Welding-Distortion-laser-welding-600x216.jpg 600w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-09b2bb1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"09b2bb1\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-dfd6921\" data-id=\"dfd6921\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6894b4e elementor-widget elementor-widget-text-editor\" data-id=\"6894b4e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"1980\" data-end=\"2046\">We also checked how much the square tubes had bowed after welding.<\/p><p data-start=\"2048\" data-end=\"2234\">For a practical shop-floor check, we placed a straight spirit level against the welded <strong data-start=\"2135\" data-end=\"2165\">30 \u00d7 30 \u00d7 2 mm square tube<\/strong> and observed the gap between the straight edge and the tube surface.<\/p><p data-start=\"2236\" data-end=\"2317\">The bowing we observed was approximately <strong data-start=\"2277\" data-end=\"2289\">0.5\u20132 mm<\/strong>, depending on the location.<\/p><p data-start=\"2319\" data-end=\"2470\">This was not intended as a precision dimensional inspection, but it gave us a useful indication of the amount of weld-induced deformation in the frame.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1bc22d8 elementor-widget elementor-widget-heading\" data-id=\"1bc22d8\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">F-Clamps Were Enough for Straightening<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5775eb6 elementor-widget elementor-widget-text-editor\" data-id=\"5775eb6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"PDq2pG_selectionAnchorContainer\" style=\"padding-left: 40px;\" data-start=\"2517\" data-end=\"2640\">More importantly, the remaining bowing could usually be corrected using <strong data-start=\"2589\" data-end=\"2601\">F-clamps<\/strong> to pull the tubes back into alignment.<\/p><p style=\"padding-left: 40px;\" data-start=\"2642\" data-end=\"2829\">With our previous TIG welding process, the heat-induced deformation was often greater. In some cases, simple mechanical correction was not enough and <strong data-start=\"2792\" data-end=\"2815\">flame straightening<\/strong> was required.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fc2496d elementor-widget elementor-widget-image\" data-id=\"fc2496d\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"394\" src=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Mechanical-Straightening-Welded-tube-frame.jpg\" class=\"attachment-large size-large wp-image-10121\" alt=\"An F-clamp and a steel beam used to straighten a stainless steel tube frame after laser welding.\" srcset=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Mechanical-Straightening-Welded-tube-frame.jpg 700w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Mechanical-Straightening-Welded-tube-frame-300x169.jpg 300w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Mechanical-Straightening-Welded-tube-frame-18x10.jpg 18w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2026\/10\/Mechanical-Straightening-Welded-tube-frame-600x338.jpg 600w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">We used F-clamps to straighten the frame after laser welding, without applying any heat.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7159a67 elementor-widget elementor-widget-text-editor\" data-id=\"7159a67\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"padding-left: 40px;\" data-start=\"2831\" data-end=\"2885\">From a production standpoint, this difference matters.<\/p><p style=\"padding-left: 40px;\" data-start=\"2887\" data-end=\"3193\">Correcting a slightly bowed tube with clamps is much simpler than applying additional localized heating to straighten a welded frame. Flame straightening adds another thermal process, requires operator experience, takes additional time, and can further affect the appearance of the stainless steel surface.<\/p><p style=\"padding-left: 40px;\" data-start=\"3195\" data-end=\"3390\">So in this case, the benefit of laser welding was not that the frame had absolutely zero deformation. Rather, the deformation was small enough that the remaining correction was relatively simple.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-709ef13 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"709ef13\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2add882\" data-id=\"2add882\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8497f88 elementor-widget elementor-widget-heading\" data-id=\"8497f88\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Filler_Wire_Helps_but_Good_Fit-Up_Still_Matters\"><\/span>Filler Wire Helps, but Good Fit-Up Still Matters<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-04c91a3 elementor-widget elementor-widget-text-editor\" data-id=\"04c91a3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"3446\" data-end=\"3521\">We used <strong data-start=\"3454\" data-end=\"3483\">filler-wire laser welding<\/strong> rather than autogenous laser welding.<\/p><p data-start=\"3523\" data-end=\"3725\">The filler wire gives us some ability to bridge small joint gaps, which is useful when welding a fabricated tube frame. However, we still prefer the gap between the tubes to be <strong data-start=\"3700\" data-end=\"3724\">small and consistent<\/strong>.<\/p><p data-start=\"3727\" data-end=\"3814\">As the gap becomes larger or more irregular, welding becomes noticeably more difficult.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-05066b0 elementor-widget elementor-widget-text-editor\" data-id=\"05066b0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4 class=\"PDq2pG_selectionAnchorContainer\" data-start=\"3816\" data-end=\"3864\">Larger Gaps Make the Process More Sensitive<\/h4><p style=\"padding-left: 40px;\" data-start=\"3866\" data-end=\"3920\">The process becomes more sensitive to factors such as:<\/p><ul><li style=\"list-style-type: none;\"><ul><li style=\"list-style-type: none;\"><ul><li style=\"list-style-type: none;\"><ul><li style=\"list-style-type: none;\"><ul data-start=\"3922\" data-end=\"4050\"><li data-section-id=\"12773tt\" data-start=\"3922\" data-end=\"3945\">filler-wire position,<\/li><li data-section-id=\"5w9w4g\" data-start=\"3946\" data-end=\"3963\">wire-feed rate,<\/li><li data-section-id=\"h8doih\" data-start=\"3964\" data-end=\"3980\">welding speed,<\/li><li data-section-id=\"1emh25w\" data-start=\"3981\" data-end=\"3998\">laser position,<\/li><li data-section-id=\"9456o8\" data-start=\"3999\" data-end=\"4016\">joint geometry,<\/li><li data-section-id=\"140ub98\" data-start=\"4017\" data-end=\"4050\">and the consistency of the gap.<\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><\/ul><p style=\"padding-left: 40px;\" data-start=\"4052\" data-end=\"4275\">As a practical shop-floor rule, when the filler-wire diameter is larger than the joint gap, bridging the gap is generally more feasible. However, this does not mean that every large gap can or should be welded successfully.<\/p><p style=\"padding-left: 40px;\" data-start=\"4277\" data-end=\"4458\">An experienced operator may sometimes compensate for a larger gap by adjusting the wire position or welding technique, but <strong data-start=\"4400\" data-end=\"4457\">we normally do not want to rely on this in production<\/strong>.<\/p><p style=\"padding-left: 40px;\" data-start=\"4460\" data-end=\"4530\">Our preferred solution is to produce an accurate joint before welding.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-383661b elementor-widget elementor-widget-heading\" data-id=\"383661b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Good_Welding_Starts_with_Good_Tube_Cutting\"><\/span>Good Welding Starts with Good Tube Cutting<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-845a2bb elementor-widget elementor-widget-text-editor\" data-id=\"845a2bb\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"PDq2pG_selectionAnchorContainer\" style=\"padding-left: 40px;\" data-start=\"4580\" data-end=\"4641\">This is especially important for stainless steel tube frames.<\/p><p style=\"padding-left: 40px;\" data-start=\"4643\" data-end=\"4737\">When one square tube meets another, the accuracy of the cut directly determines the joint gap.<\/p><p style=\"padding-left: 40px;\" data-start=\"4739\" data-end=\"4893\">If the notch or tube intersection is inaccurate, the welder must compensate for a problem that should ideally have been solved during cutting and fitting.<\/p><h4 data-start=\"4895\" data-end=\"4945\">Accurate Cutting Improves Welding Consistency<\/h4><p style=\"padding-left: 40px;\" data-start=\"4947\" data-end=\"5017\">Accurate tube cutting therefore provides several practical advantages:<\/p><ul><li style=\"list-style-type: none;\"><ul><li style=\"list-style-type: none;\"><ul><li style=\"list-style-type: none;\"><ul><li style=\"list-style-type: none;\"><ul data-start=\"5019\" data-end=\"5163\"><li data-section-id=\"ypc3oi\" data-start=\"5019\" data-end=\"5048\">more consistent joint gaps,<\/li><li data-section-id=\"p09ooy\" data-start=\"5049\" data-end=\"5083\">more stable filler-wire feeding,<\/li><li data-section-id=\"1aanvu9\" data-start=\"5084\" data-end=\"5115\">more uniform weld appearance,<\/li><li data-section-id=\"84cyqy\" data-start=\"5116\" data-end=\"5163\">and less variation from one frame to another.<\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><\/ul><p style=\"padding-left: 40px;\" data-start=\"5165\" data-end=\"5311\">For this reason, we treat tube cutting, fit-up, fixturing, and welding as parts of the same manufacturing process rather than separate operations.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6e6a2c2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6e6a2c2\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-526dd08\" data-id=\"526dd08\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fc9b8a9 elementor-widget elementor-widget-heading\" data-id=\"fc9b8a9\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Is_the_Laser-Welded_Joint_Strong_Enough\"><\/span>Is the Laser-Welded Joint Strong Enough?<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6454244 elementor-widget elementor-widget-text-editor\" data-id=\"6454244\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"qMYqUG_convSearchResultHighlightRoot\"><div class=\"\" data-turn-id-container=\"request-6aad7070-8694-83e9-87eb-1d2953613f02-21\" data-is-intersecting=\"true\"><section class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [&amp;:has([data-writing-block])&gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6aad7070-8694-83e9-87eb-1d2953613f02-21\" data-turn-id-container=\"request-6aad7070-8694-83e9-87eb-1d2953613f02-21\" data-testid=\"conversation-turn-116\" data-turn=\"assistant\"><div class=\"text-base my-auto mx-auto pb-8 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"><div class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" data-conversation-screenshot-content=\"\"><div class=\"flex max-w-full flex-col gap-4 grow\"><div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+&amp;]:mt-1\" dir=\"auto\" tabindex=\"0\" data-message-author-role=\"assistant\" data-message-id=\"2ab71165-b61d-4a04-93ce-73ea74f750dc\" data-turn-start-message=\"true\" data-message-model-slug=\"gpt-5-6-thinking\"><div class=\"flex w-full flex-col gap-1 empty:hidden\"><div class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"><p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"5359\" data-end=\"5466\">A cleaner weld and less tube bowing are useful only if the joint is also strong enough for the application.<\/p><p data-start=\"5468\" data-end=\"5612\">Because a laser weld can appear narrower than a conventional TIG or MIG weld, it is reasonable to ask whether the joint has sufficient strength.<\/p><h4 data-start=\"5614\" data-end=\"5650\">Our Hammer-Impact Demonstration<\/h4><p style=\"padding-left: 40px;\" data-start=\"5652\" data-end=\"5767\">For this frame, we performed a simple <strong data-start=\"5690\" data-end=\"5732\">shop-floor hammer-impact demonstration<\/strong>, which is also shown in the video.<\/p><p style=\"padding-left: 40px;\" data-start=\"5769\" data-end=\"5870\">We repeatedly struck the welded joint with a hammer, and the joint remained intact under the impacts.<\/p><p style=\"padding-left: 40px;\" data-start=\"5872\" data-end=\"5957\">This gave us practical confidence in the robustness of the weld for this application.<\/p><h4 data-start=\"5959\" data-end=\"6007\">This Was Not a Standardized Mechanical Test<\/h4><p style=\"padding-left: 40px;\" data-start=\"6009\" data-end=\"6150\">However, this should not be confused with a standardized mechanical test. It was not a tensile, bend, fatigue, or certified destructive test.<\/p><p style=\"padding-left: 40px;\" data-start=\"6152\" data-end=\"6296\" data-is-last-node=\"\" data-is-only-node=\"\">For products with defined structural or safety requirements, appropriate engineering calculations and standardized testing should still be used.<\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/section><\/div><\/div><div class=\"pointer-events-none -mt-px h-px translate-y-(--scroll-root-safe-area-inset-bottom)\" aria-hidden=\"true\">\u00a0<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a5f69c6 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"a5f69c6\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7c65734 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7c65734\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5e79461\" data-id=\"5e79461\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ab5173e elementor-widget elementor-widget-heading\" data-id=\"ab5173e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Why_Laser_Welding_Produces_a_Different_Result\"><\/span>Why Laser Welding Produces a Different Result<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0ddde34 elementor-widget elementor-widget-text-editor\" data-id=\"0ddde34\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The main advantage of <strong data-start=\"117\" data-end=\"150\">laser welding stainless steel<\/strong> is not simply that the laser is \u201chotter.\u201d What matters more is <strong data-start=\"214\" data-end=\"280\">how concentrated the heat is and how short the heating time is<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d9d70d0 elementor-widget elementor-widget-heading\" data-id=\"d9d70d0\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"High_Energy_Concentration_in_a_Very_Small_Area\"><\/span>High Energy Concentration in a Very Small Area<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-60d6802 elementor-widget elementor-widget-text-editor\" data-id=\"60d6802\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"335\" data-end=\"549\">A laser focuses a large amount of energy onto a very small spot. The stainless steel in the weld pool must still be heated above its melting temperature\u2014roughly around <strong data-start=\"503\" data-end=\"524\">1,400\u00b0C or higher<\/strong>, depending on the grade.<\/p><p data-start=\"551\" data-end=\"770\">The laser beam itself should not be described as having a fixed \u201ctemperature.\u201d Instead, it delivers very high power density to a small area, allowing the metal to melt rapidly without heating a large surrounding region.<\/p><p data-start=\"772\" data-end=\"1012\">This is why laser welding can produce a relatively narrow weld and a small heat-affected zone. TWI describes <a href=\"https:\/\/www.twi-global.com\/technical-knowledge\/faqs\/faq-what-are-the-benefits-of-using-lasers-for-welding\" target=\"_blank\" rel=\"noopener\">low heat input, narrow HAZ, and low distortion as characteristic advantages<\/a> of laser welding.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-85e23cf elementor-widget elementor-widget-heading\" data-id=\"85e23cf\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"The_Heating_Time_Is_Very_Short\"><\/span>The Heating Time Is Very Short<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5d04e36 elementor-widget elementor-widget-text-editor\" data-id=\"5d04e36\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"1050\" data-end=\"1087\">Laser welding is also a fast process.<\/p><p data-start=\"1089\" data-end=\"1441\">Depending on the material thickness, laser power, joint design, and welding mode, welding speeds can range from <strong data-start=\"1201\" data-end=\"1264\">tens of millimeters per second to several meters per minute<\/strong>. A given point on the tube may therefore be exposed to the concentrated heat source for only milliseconds or a small fraction of a second.<\/p><p data-start=\"1089\" data-end=\"1441\">This short thermal cycle is particularly important for stainless steel. It also helps improve productivity because welding can be completed faster, with less time spent on post-weld straightening, cleaning, grinding, or surface finishing.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-34dd2ca elementor-widget elementor-widget-heading\" data-id=\"34dd2ca\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Why_Laser_Welding_Reduces_Discoloration_and_Tube_Bowing\"><\/span>Why Laser Welding Reduces Discoloration and Tube Bowing<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4156efe elementor-widget elementor-widget-text-editor\" data-id=\"4156efe\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"78\" data-end=\"169\">Both problems have the same basic cause: <strong data-start=\"119\" data-end=\"168\">excessive heat input and a long thermal cycle<\/strong>.<\/p><p data-start=\"171\" data-end=\"361\">Laser welding concentrates the energy in a very small area and completes the weld quickly. This means less surrounding metal is heated, and it remains at high temperature for a shorter time.<\/p><p data-start=\"363\" data-end=\"375\">As a result:<\/p><ul><li style=\"list-style-type: none;\"><ul data-start=\"377\" data-end=\"552\"><li data-section-id=\"2tx1ic\" data-start=\"377\" data-end=\"465\">less oxide forms on the stainless steel surface, so <strong data-start=\"431\" data-end=\"464\">weld discoloration is reduced<\/strong>;<\/li><li data-section-id=\"1de60ys\" data-start=\"466\" data-end=\"552\">less material expands and contracts, so <strong data-start=\"508\" data-end=\"551\">tube bowing and deformation are reduced<\/strong>.<\/li><\/ul><\/li><\/ul><p data-start=\"554\" data-end=\"689\" data-is-last-node=\"\" data-is-only-node=\"\">This is the main reason laser welding can produce a cleaner appearance and better dimensional stability on stainless steel tube frames.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f935468 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"f935468\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5c9a287 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5c9a287\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7854e2c\" data-id=\"7854e2c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ee9763d elementor-widget elementor-widget-heading\" data-id=\"ee9763d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Limitations_of_Laser_Welding\"><\/span>Limitations of Laser Welding<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a7979c7 elementor-widget elementor-widget-text-editor\" data-id=\"a7979c7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Laser welding offers clear advantages for stainless steel tube frames, but it also has some practical limitations.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b0139b9 elementor-widget elementor-widget-heading\" data-id=\"b0139b9\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Joint_Gaps_Need_to_Be_Small_and_Consistent\"><\/span>Joint Gaps Need to Be Small and Consistent<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aba4498 elementor-widget elementor-widget-text-editor\" data-id=\"aba4498\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"272\" data-end=\"357\">Laser welding is more sensitive to joint fit-up than conventional TIG or MIG welding.<\/p><p data-start=\"359\" data-end=\"566\">For our filler-wire process, we normally use wire with a diameter of about <strong data-start=\"434\" data-end=\"442\">1 mm<\/strong>. As a practical production guideline, we prefer the joint gap to be around <strong data-start=\"518\" data-end=\"528\">0.5 mm<\/strong> and generally keep it below <strong data-start=\"557\" data-end=\"565\">1 mm<\/strong>.<\/p><p data-start=\"568\" data-end=\"873\">When the gap becomes wider than the filler wire diameter, maintaining a stable and consistent weld becomes much more difficult. An experienced operator may sometimes bridge a larger gap by adjusting the wire position and welding technique, but <strong data-start=\"812\" data-end=\"872\">we do not recommend relying on this in normal production<\/strong>.<\/p><p data-start=\"875\" data-end=\"999\">For this reason, laser welding works particularly well with <strong data-start=\"935\" data-end=\"998\">square tubes that have accurately cut, flat mating surfaces<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3ae0b2f elementor-widget elementor-widget-heading\" data-id=\"3ae0b2f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"More_Complex_Tube_Intersections_Require_Accurate_Laser_Tube_Cutting\"><\/span>More Complex Tube Intersections Require Accurate Laser Tube Cutting<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8fcd584 elementor-widget elementor-widget-text-editor\" data-id=\"8fcd584\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"272\" data-end=\"357\">Laser welding is more sensitive to joint fit-up than conventional TIG or MIG welding.<\/p><p data-start=\"359\" data-end=\"566\">For our filler-wire process, we normally use wire with a diameter of about <strong data-start=\"434\" data-end=\"442\">1 mm<\/strong>. As a practical production guideline, we prefer the joint gap to be around <strong data-start=\"518\" data-end=\"528\">0.5 mm<\/strong> and generally keep it below <strong data-start=\"557\" data-end=\"565\">1 mm<\/strong>.<\/p><p data-start=\"568\" data-end=\"873\">When the gap becomes wider than the filler wire diameter, maintaining a stable and consistent weld becomes much more difficult. An experienced operator may sometimes bridge a larger gap by adjusting the wire position and welding technique, but <strong data-start=\"812\" data-end=\"872\">we do not recommend relying on this in normal production<\/strong>.<\/p><p data-start=\"875\" data-end=\"999\">For this reason, laser welding works particularly well with <strong data-start=\"935\" data-end=\"998\">square tubes that have accurately cut, flat mating surfaces<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-205b9f1 elementor-widget elementor-widget-heading\" data-id=\"205b9f1\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"More_Complex_Tube_Intersections_Require_Accurate_Laser_Tube_Cutting-2\"><\/span>More Complex Tube Intersections Require Accurate Laser Tube Cutting<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c285e25 elementor-widget elementor-widget-text-editor\" data-id=\"c285e25\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"1074\" data-end=\"1209\">When the tube end is angled, curved, or intersects with a round tube, maintaining a small and uniform joint gap becomes more difficult.<\/p><p class=\"\" data-start=\"1211\" data-end=\"1456\">In these cases, we prefer to use a <strong data-start=\"1246\" data-end=\"1288\"><a href=\"https:\/\/boyanmfg.com\/rotary-head-laser-tube-cutting-service\/\">rotary-head laser tube cutting<\/a> machine<\/strong> to cut the intersection profile accurately. This allows the mating surfaces to follow each other closely and keeps the joint gap small enough for stable laser welding.<\/p><p data-start=\"1458\" data-end=\"1532\">Good laser welding therefore starts with accurate tube cutting and fit-up.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-da03e17 elementor-widget elementor-widget-heading\" data-id=\"da03e17\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Material_Thickness_Is_Limited_by_Laser_Power_and_Penetration\"><\/span>Material Thickness Is Limited by Laser Power and Penetration<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-870a593 elementor-widget elementor-widget-text-editor\" data-id=\"870a593\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"1600\" data-end=\"1671\">Laser welding is also not the best choice for every material thickness.<\/p><p data-start=\"1673\" data-end=\"1958\">For the type of fiber laser welding equipment we use, the achievable single-pass thickness depends strongly on laser power. If the material is too thick for the available power, the weld may not achieve full penetration, creating a risk of <strong data-start=\"1913\" data-end=\"1957\">incomplete penetration or lack of fusion<\/strong>.<\/p><p data-start=\"1960\" data-end=\"2045\">The equipment guideline shown below gives the following approximate thickness ranges:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-683761c elementor-widget elementor-widget-text-editor\" data-id=\"683761c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div style=\"width:100%; margin:24px 0;\">\n<table style=\"width:100%; border-collapse:collapse; font-size:16px; line-height:1.45;\">\n  \n  <thead>\n    <tr style=\"background:#f3f4f5;\">\n      <th style=\"padding:16px 18px; text-align:left; border-bottom:2px solid #444; width:34%;\">\n        Laser System\n      <\/th>\n      <th style=\"padding:16px 18px; text-align:left; border-bottom:2px solid #444; width:28%;\">\n        Power\n      <\/th>\n      <th style=\"padding:16px 18px; text-align:left; border-bottom:2px solid #444; width:38%;\">\n        Recommended Thickness\n      <\/th>\n    <\/tr>\n  <\/thead>\n\n  <tbody>\n    <tr>\n      <td style=\"padding:16px 18px; border-bottom:1px solid #ddd;\">\n        <strong>Air-Cooled<\/strong>\n      <\/td>\n      <td style=\"padding:16px 18px; border-bottom:1px solid #ddd;\">700 W<\/td>\n      <td style=\"padding:16px 18px; border-bottom:1px solid #ddd;\"><strong>0.4\u20132.5 mm<\/strong><\/td>\n    <\/tr>\n\n    <tr>\n      <td style=\"padding:16px 18px; border-bottom:1px solid #ddd;\">\n        <strong>Air-Cooled<\/strong>\n      <\/td>\n      <td style=\"padding:16px 18px; border-bottom:1px solid #ddd;\">1200 W<\/td>\n      <td style=\"padding:16px 18px; border-bottom:1px solid #ddd;\"><strong>0.4\u20133.5 mm<\/strong><\/td>\n    <\/tr>\n\n    <tr>\n      <td style=\"padding:16px 18px; border-bottom:1px solid #ddd;\">\n        <strong>Air-Cooled<\/strong>\n      <\/td>\n      <td style=\"padding:16px 18px; border-bottom:1px solid #ddd;\">1500 W<\/td>\n      <td style=\"padding:16px 18px; border-bottom:1px solid #ddd;\"><strong>0.4\u20134.5 mm<\/strong><\/td>\n    <\/tr>\n\n    <tr>\n      <td style=\"padding:16px 18px; border-bottom:1px solid #ddd;\">\n        <strong>Air-Cooled<\/strong>\n      <\/td>\n      <td style=\"padding:16px 18px; border-bottom:1px solid #ddd;\">2000 W<\/td>\n      <td style=\"padding:16px 18px; border-bottom:1px solid #ddd;\"><strong>0.4\u20136 mm<\/strong><\/td>\n    <\/tr>\n\n    <tr>\n      <td style=\"padding:16px 18px; border-bottom:1px solid #ddd;\">\n        <strong>Water-Cooled<\/strong>\n      <\/td>\n      <td style=\"padding:16px 18px; border-bottom:1px solid #ddd;\">1000 W<\/td>\n      <td style=\"padding:16px 18px; border-bottom:1px solid #ddd;\"><strong>0.4\u20133 mm<\/strong><\/td>\n    <\/tr>\n\n    <tr>\n      <td style=\"padding:16px 18px; border-bottom:1px solid #ddd;\">\n        <strong>Water-Cooled<\/strong>\n      <\/td>\n      <td style=\"padding:16px 18px; border-bottom:1px solid #ddd;\">1500 W<\/td>\n      <td style=\"padding:16px 18px; border-bottom:1px solid #ddd;\"><strong>0.4\u20134 mm<\/strong><\/td>\n    <\/tr>\n\n    <tr>\n      <td style=\"padding:16px 18px; border-bottom:1px solid #ddd;\">\n        <strong>Water-Cooled<\/strong>\n      <\/td>\n      <td style=\"padding:16px 18px; border-bottom:1px solid #ddd;\">2000 W<\/td>\n      <td style=\"padding:16px 18px; border-bottom:1px solid #ddd;\"><strong>0.4\u20136 mm<\/strong><\/td>\n    <\/tr>\n\n    <tr>\n      <td style=\"padding:16px 18px; border-bottom:1px solid #ddd;\">\n        <strong>Water-Cooled<\/strong>\n      <\/td>\n      <td style=\"padding:16px 18px; border-bottom:1px solid #ddd;\">3000 W<\/td>\n      <td style=\"padding:16px 18px; border-bottom:1px solid #ddd;\"><strong>0.4\u20138 mm<\/strong><\/td>\n    <\/tr>\n  <\/tbody>\n\n<\/table>\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-44d60a9 elementor-widget elementor-widget-text-editor\" data-id=\"44d60a9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"2406\" data-end=\"2646\">These values should be treated as <strong data-start=\"2440\" data-end=\"2512\">equipment recommendations rather than universal laser-welding limits<\/strong>. Actual penetration also depends on material, joint design, welding speed, focal position, filler wire, and other process parameters.<\/p><p data-start=\"2648\" data-end=\"2769\">For thicker structural sections, conventional welding or a different laser-welding setup may therefore be more practical.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2b819a8 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"2b819a8\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-23b3923 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"23b3923\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-215a264\" data-id=\"215a264\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-02e08ce elementor-widget elementor-widget-heading\" data-id=\"02e08ce\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Looking_for_a_Stainless_Steel_Tube_Welding_Company\"><\/span>Looking for a Stainless Steel Tube Welding Company?<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-75aa4e0 elementor-widget elementor-widget-text-editor\" data-id=\"75aa4e0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"56\" data-end=\"304\">For buyers comparing <strong data-start=\"77\" data-end=\"119\">stainless steel tube welding companies<\/strong>, the best solution is not simply the one that produces a strong weld. Appearance, tube warping, joint fit-up, post-weld finishing, and production efficiency also need to be considered.<\/p><p data-start=\"306\" data-end=\"554\">At Boyan Manufacturing, we combine <strong data-start=\"341\" data-end=\"377\">stainless steel tube fabrication<\/strong>, accurate tube cutting, filler-wire <strong data-start=\"414\" data-end=\"447\">laser welding stainless steel<\/strong>, fixturing, and dimensional control to produce welded tube frames with cleaner welds and less deformation.<\/p><p data-start=\"556\" data-end=\"814\" data-is-last-node=\"\" data-is-only-node=\"\">If your project involves <strong data-start=\"581\" data-end=\"619\">stainless steel weld discoloration<\/strong>, tube bowing, or difficult post-weld finishing, send us your drawings and requirements. We can review whether laser welding is a suitable process for your stainless steel tube or frame assembly.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u7ba1\u6eb6\u63a5\u306b\u304a\u3051\u308b\u8ab2\u984c\uff1a\u5909\u8272\u3068\u6b6a\u307f \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u7ba1\u306e\u6eb6\u63a5\u3067\u306f\u3001\u7d99\u624b\u5f37\u5ea6\u306f\u8ab2\u984c\u306e\u4e00\u90e8\u306b\u3059\u304e\u307e\u305b\u3093\u3002\u898b\u3048\u308b\u7ba1\u30d5\u30ec\u30fc\u30e0\u306e\u5834\u5408\u3001\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u6eb6\u63a5\u5909\u8272\u3084\u71b1\u306b\u3088\u308b\u7ba1\u306e\u6b6a\u307f\u306f\u540c\u69d8\u306b\u91cd\u8981\u3067\u3059\u3002\u3053\u308c\u3089\u306f\u5916\u89b3\u3001\u5bf8\u6cd5\u7cbe\u5ea6\u3001\u6eb6\u63a5\u5f8c\u306e\u4ed5\u4e0a\u3052\u4f5c\u696d\u91cf\u306b\u5f71\u97ff\u3059\u308b\u305f\u3081\u3067\u3059\u3002\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u7ba1\u306e\u6eb6\u63a5\u4f1a\u793e\u3092\u6bd4\u8f03\u3059\u308b\u8cfc\u5165\u8005\u306b\u3068\u3063\u3066\u3001\u3053\u3046\u3057\u305f\u5b9f\u7528\u7684\u306a\u7d50\u679c\u306f\u6eb6\u63a5\u65b9\u6cd5\u3060\u3051\u3088\u308a\u3082\u91cd\u8981\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u6700\u8fd1\u306e\u30d5\u30ec\u30fc\u30e0\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u4e00\u3064\u3067\u306f\u3001\u7d99\u624b\u5468\u8fba\u3078\u306e\u5165\u71b1\u3092\u4f4e\u6e1b\u3059\u308b\u305f\u3081\u306b\u3001\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u7ba1\u306e\u30d5\u30a3\u30e9\u30fc\u30ef\u30a4\u30e4\u30ec\u30fc\u30b6\u6eb6\u63a5\u3092\u7528\u3044\u307e\u3057\u305f\u3002\u6eb6\u63a5\u5f8c\u3001\u4e00\u90e8\u306e\u9ed2\u3044\u6b8b\u7559\u7269\u304c\u898b\u3048\u307e\u3057\u305f\u304c\u3001\u7c21\u5358\u306b\u62ed\u304d\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u2026&nbsp;<a href=\"https:\/\/boyanmfg.com\/ja\/laser-welding-stainless-steel-tubes\/\" rel=\"bookmark\">\u7d9a\u304d\u3092\u8aad\u3080 \u00bb<span class=\"screen-reader-text\">\u30ec\u30fc\u30b6\u30fc\u6eb6\u63a5\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u7ba1\uff1a\u6eb6\u63a5\u5909\u8272\u3068\u53cd\u308a\u306e\u4f4e\u6e1b<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"contained","neve_meta_enable_content_width":"on","neve_meta_content_width":92,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"[\"title\",\"meta\",\"thumbnail\",\"content\",\"tags\",\"comments\",\"post-navigation\"]","neve_meta_disable_header":"off","neve_meta_disable_footer":"","neve_meta_disable_title":"","neve_meta_reading_time":"","_themeisle_gutenberg_block_has_review":false,"footnotes":""},"categories":[55,73],"tags":[],"class_list":["post-10098","post","type-post","status-publish","format-standard","hentry","category-manufacturing-knowledge","category-sheet-metal-fabrication"],"acf":[],"_links":{"self":[{"href":"https:\/\/boyanmfg.com\/ja\/wp-json\/wp\/v2\/posts\/10098","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/boyanmfg.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/boyanmfg.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/boyanmfg.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/boyanmfg.com\/ja\/wp-json\/wp\/v2\/comments?post=10098"}],"version-history":[{"count":0,"href":"https:\/\/boyanmfg.com\/ja\/wp-json\/wp\/v2\/posts\/10098\/revisions"}],"wp:attachment":[{"href":"https:\/\/boyanmfg.com\/ja\/wp-json\/wp\/v2\/media?parent=10098"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/boyanmfg.com\/ja\/wp-json\/wp\/v2\/categories?post=10098"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/boyanmfg.com\/ja\/wp-json\/wp\/v2\/tags?post=10098"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}