Specifications

SCM440/SAE4140 Hard Chrome Plated Bar
:anti rust oil on material and packed first by cardboard sleeve

 

SCM440/SAE4140 Hard Chrome Plated Bar 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.  For more information,please send emails to nancy(at)