A galvanized steel coil factory is a sheet with a layer of zinc on its surface. At present, an economical anti-corrosion method is adopted in the market, that is, galvanizing. So far, at least half of the zinc developed in the world is used in the galvanizing process of plates. This process can prev
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Hot dip galvanized pipe is also called hot dip galvanized steel pipe. The surface of the steel pipe is galvanized, which can effectively prevent corrosion and rust of the steel and help the steel prolong its service life. There are two types of hot-dip galvanizing and electro-galvanizing. Hot-dip ga
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Tianjin Yuantai Derun Group has overcome many difficulties brought about by the new crown epidemic and mobilized all resources, including pipe pilesto concentrate on supplying supplies for the Qinghai 10-million-kilowatt national UHV power new energy base project. At present, the supply of all
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1. Stress relief annealingHeat the pipe to 500-650°C, keep it warm for a certain period of time, and then cool it down slowly. Eliminate the internal stress generated during welding and cold straightening of rectangular hollow steel tubing, and eliminate the internal stress generated during cutting
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TIANJIN YUANTAI DERUN PIPE MANUFACTURING GROUP CO., LTD
