Hard Chrome Plated Piston Rod

Hard chrome plated Piston RodProduct SpecificationSize:Ø 6-300mmLength:3m -8mMaterial:45# DIN CK45/JIS 45CToleranceISO f7Chrome thickness:20~30micronHardness of  the chrome layer:850HV(min)Roughness:Ra 0.2micron (max)Straightness:0.2/1000mmYield Strength≥320 MpaTensile Strength≥580 MpaElongation≥ 15%Supply condition:1.Hard chrome plated2.Induction hardened3.Quenched