Chrome Plated Bar for Hydraulic Cylinder
Grade:CK45/S45/SAE1045,SCM440/SAE4140,EN8D,ST52,16Mn,20Mn,E355,AISI431,SUS304/316
Type:normal;hollow bar,induction hardened
Metric OD Size: 6 mm 1000 mm Inch OD Size: OD 1/4" to 50".
Hard Chrome Plate Thickness: 15,20,25,30 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: <0.2 mm/m
Salt Spray Test: ASTM B117-72hours/96hours,results evaluation refers to ISO4540 Rating 8-10.
Package:anti rust oil on material and packed first by cardboard sleeve then in steel frame box.
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