Chrome Plated Bar/Hard Chrome Rod[Aug. 29, 2011 12:17:12]
Specification
Chrome Plated Bar/Hydraulic Cylinder Piston Rod
Supply Condition:Ground and chrome plated,tempered
Grade: CK45/S45/SAE1045,SCM440/SAE4140,EN8D,ST 52,16Mn,20Mn,E355,SAE1020,SUS 304/316
Type: Normal,Induction Hardened
Metric OD Size: 6 mm 1000 mm Inch OD Size: OD 1/4" to 20".
Chrome Thickness: 20-30 Micron (or according to customer's request)
Surface Roughness:Ra < 0.4 Micron
Tolerance: ISO f7,f8,H7,H8
Ovality: Half of the OD tolerance
Straightness: