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Classification of square tube: 1. Q345B square tube impact toughness Galvanized square tube square tube association This website: The load acting on the machine at a high speed is called impact load, and the metal that resists damage under the impact load is called impact toughness. 2. The strength of Q345B rectangular tube refers to the ability of metal materials to resist damage (excessive plastic deformation or fracture) under static load
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Manufacturing process of precision seamless steel pipe: precision seamless square pipe is extremely low in cold bending deformation, and can be used for various complex deformation and machining treatment. Color of square tube: white with light, also with welding. The chemical composition of precision bright tube includes carbon C, silicon Si, manganese Mn, sulfur S, phosphorus P and chromium Cr. Introduction to precision bright tube process: good carbon steel, finish rolling, non oxidation bright heat treatment(