Hollow Piston Rod/Hollow Bar/Hollow Chrome Plated Bar
Grade: CK45/S45/SAE1045,SCM440/SAE4140

Hollow Piston Rod/Hollow Bar/Hollow Chrome Plated Bar
 

Supply Condition:Ground and chrome plated,tempered

Grade: CK45/S45/SAE1045,SCM440/SAE4140,EN8D,ST 52,16Mn,20Mn,E355,SAE1020,SUS 304/316Type: Normal,Induction HardenedMetric 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 MicronTolerance: ISO f7,f8,H7,H8 Ovality: Half of the OD toleranceStraightness: <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 hard paper tube then in steel frame box. Other technic request can be disscussed.