
High Strength 45 Steel Hard Chrome Surface Shaft for Heavy Machinery and Equipment Hydraulic Piston Rod. Wide Diameter Range: Available in diameters from 6mm to 630mm for various heavy machinery needs. Extended Length Options: Maximum length up to 18000mm to accommodate specific application requirements. High Hardness Surface: Surface hardness exceeds HRC60 with induction hardened hardness of HB220-267. Precision Tolerances: Roundness tolerance GB1184 Class9 and linearity 0.10/1000mm for high precision. Multiple Material Choices: Offered in 45, 2Cr13, 40Cr, and 42CrMo steel grades for diverse strength needs. Customization Services: Full customization, minor customization, and flexible customization from samples or designs. Durable Surface Treatment: Chrome plate, nickel plate, or phosphor exterior with thickness 0.02-0.05mm. Strict Quality Inspection: 100% visual and function inspection for all finished products with traceable raw materials.