Hydraulic Cylinder Shaft price 1.The specification of Hydraulic Cylinder Piston Rod Size:脴 6-300mm Length:1m -9m Material:CK45/ ST52/ 20MnV6/ 42CrMo4/ 40Cr/ bearing steel/ stainless steel ToleranceISO f7 Chrome thickness:20~30micron Hardness of the chrome layer:800HV(min) Roughness:Ra 0.2micron (max) Straightness:0.2/1000mm Yield Strength鈮?50 Mpa Tensile Strength鈮?80 Mpa Elongation鈮?15% 2.The...