Hard Chrome Piston Rods

These Hard Chrome Piston Rods are available with following specifications :
Usage: Hydraulic Cylinder, Hydraulic Jack, Shock absorber
Supply condition: Ground and chrome plated
Steel Grade: CK45, AISI1045, 4140, 42CrMo4, 20MnV6
OD Size: 6 a 220 mm
Length: OD 6 a 12 mm,800 a 1200 mm
OD16 a 40 mm,1200 a 4000 mm
OD45 a 220 mm,1500 a 8000 mm
Chrome Thickness: 20 a 30 Micron
Surface Roughness: Ra:a 0.2 micron and Rta 2 micron
Tolerance on DIA: ISO f7 on the diameter
Ellipticity: Half of the tolerance ISO f7
Straightness: a 0.2 mm/m
Surface Hardness: 850 a 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