Hydraulic cylinder rod usually use hard chrome plated bar or induction hardened chrome rod,Hard chrome piston rods processed by more than ten processing, made by steel bar in material 4140 CK45, 42CrMo4, SUS304, SUS316 etc.. Precision level of f7 tolerance, surface hardness min. HV900.
Chrome layer thickness 20-50micron can be choice, Salt spray test 60-90hours.
Induction hardened hardness HRC55±2, hardened depth 0.5-3.5mm can be choice
As one of the leading hydraulic cylinder rod suppliers and manufacturers,Wuxi YUTONG has been supplying and exporting induction hardened chrome bar/chrome rod for almost 20 years with high quality & good prices.Imperial sizes & metric sizes available.