Current label: Square tube manufacturer
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In order to prevent the square tube from showing the defect of hot cracking, we can take the following eight measures: (1) According to the pipe structure, size, length and width, thickness, etc., design a correct and reasonable gating system structure and setting position. In the process of condensation line shrinkage, ensure the temperature difference is balanced, and then solidify in order to make the square tube shrink normally and freely. (2) According to the mud core structure, the core bone structure shall be manufactured with corresponding rigidity
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Process of seamless rectangular pipe: ① main consumption process of hot rolled seamless rectangular pipe (main inspection process): preparation and inspection of pipe blank → heating of pipe blank → piercing → pipe rolling → reheating of raw pipe → sizing (reducing) → heat treatment → straightening of waste pipe → finishing → inspection (non-destructive, physical and chemical, bench inspection) → warehousing ② cold rolling (drawing) Main consumption process of seamless rectangular tube: blank preparation → pickling
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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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Introduction to rectangular tubes: There are two main consumption modes of rectangular tubes, namely, cold rolling and hot rolling. Rectangular tube hot rolling is made of hot rolled strip steel after processing. Cold drawn or cold rolled fine rectangular tubes. Cold rolled rectangular tubes are cold drawn or cold rolled fine rectangular tubes with high dimensional accuracy and good external brightness for mechanical structures and hydraulic equipment. Cold drawn rectangular tube is used as the starting material