Hard Chrome Piston Rod/Induction Hardened Chrome Rod

Usage: Hydraulic Cylinder, Hydraulic Jack, Shock absorber
Supply condition: Ground and chrome plated
Steel Grade: CK45, AISI1045, 4140, 42CrMo4, 20MnV6
OD Size: 6 – 220 mm
Length: OD 6 – 12 mm, 800 – 1200 mm
OD16 – 40 mm, 1200 – 4000 mm
OD45 – 220 mm, 1500 – 8000 mm
Chrome Thickness: 20 – 30 Micron
Surface Roughness: Ra:≤0.2 micron and Rt≤ 2 micron
Tolerance on DIA: ISO f7 on the diameter
Ellipticity: Half of the tolerance ISO f7
Straightness: ≤ 0.2 mm/m
Surface Hardness: 850 – 1150 HV
Corrosion Resistance: Test in natural salt spray according to ASTMMB117-96 hours results evaluation according to ISO4540 Rating 8-10
Weld Ability: Good
Packing: Anti rust oiled surface on material and each rod to be packed in paper tubes, then in wooden case with steel frame.