SteelGrade:
CK45/S45/SAE1045,SCM440/SAE4140,EN8D,ST52,16Mn,20Mn,E355,AISI431,SUS304/316
Supply Condition:
ground and chrome plated, tempered
Type:
normal;hollow bar,induction hardened
Metric OD Size:
6 mm 1000 mm
Inch OD Size:
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.
Induction Hardening Chrome Rod can also be supplied, we can supply machining survice according to detailed draft and other technic request can be discussed.