SAE4140 induction harden hard chrome plated shaft
Supply Condition:Ground and chrome plated,temperedGrade: CK45/S45/SAE1045,SCM440/SAE4140,EN8D,ST 52,16Mn,20Mn,E355,SAE1020,SUS304/316Type: Normal,Induction HardenedMetric ODSize: 6 mm 1000 mmInch ODSize: 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/mSalt 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 insteel framebox.Other technic request can be disscussed.