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The chrome{{0}}plated rod is made of 45 steel with chrome-plated surface. It is widely used in machinery and equipment. The hardness of the ordinary optical axis (piston rod) is about 20 degrees, and the hardness of the high-frequency hardened optical axis is about 55 degrees. It can be combined with linear bearings and shaft supports. The product is wear-resistant and corrosion-resistant, which promotes the high precision, high speed, high competitiveness and durability of the whole machine, and greatly improves the performance of the equipment; at the same time, it has a considerable price advantage. What is the material of the chrome-plated rod? The chrome-plated rod refers to the bar with a layer of chromium element with a hardness of 50-60 formed on the surface of the silver steel branch by electroplating. It is suitable for the automatic industry and linear bearings. Steel; Outer Diameter Tolerance: f7-f8; Surface Roughness: Ra0.2-0.4; Hard Chrome Thickness: 0.015-0.025mm; Surface Hardness: HV700-1150 6. Straightness: 0.05-0.10m/m"Other Instructions Chrome-plated rod, also known as chrome-plated optical shaft, ordinary optical shaft, guide rod, guide post, Colin guide post, cylinder, cylinder barrel, cylinder guide, double-row shaft, shaft center, high-frequency shaft, top column, chrome-plated guide rod, oil cylinder Shaft, hydraulic steel.