Material: Ck45, Sae1045/S45c/CK45/ G4105, SCM440, SAE4140, 42CrMo4, 2Cr13, SUS 303/304/316
Outer Dia Precision : H7-H8
Hard-Chrome Thickness 20 to 40 micron ( or do as per buyer request)
Hard-Chrome Hardness above HV 800/HRC63±2°
Surface roughness: Ry 0.6 1.4s Ra 0.2μm 0.4μm Surface roughness :Ra ≤0.2 micron and rt≤2 micron Straightness: 0.15mm/m
Ovality : < 0.01/L
Porosity Test according to ISO1456/1458 and result valuation according to ISO 4540 rating 8-10
Corrosion resistance