Steel 5120 hard chrome plated piston pin
The piston pin is made of steel 5120, quenched and tempered to HRC 33-38, then plated with hard chrome.
We need to grind the piston pins twice, before and after the hard chrome plating, in order to meet the tight tolerance on the OD.
|Material||Steel AISI 5120 (GB Cr20)|
|Size (mm)||OD 35 x Length 130|
|Tolerance for key dimension (mm)||0/-0.007mm on the OD|
|Coating:||Hard chrome plating 0.08-0.12mm thick|
|Processes||CNC turning, centerless grinding|