Current label: Square tube material factory
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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（
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The influence of temperature and time on the performance of square tube: at the same time, the heating temperature and time will also have a great impact on the performance of square tube. During the operation of circular furnace, the technical regulations should be strictly followed. The influence of temperature and time on the performance of square tube should be checked frequently. The billet of square tube will be burned and decarburized, In order to ensure the stability of piercing performance and chemical properties of square tube billets
