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天津市北辰区中关村可信产业园B9-1 Address: B9-1, Trustworthy Industrial Park, Zhongguancun, Beichen District, Tianjin

15522233345 Mobile: 15522233345

许宗涛 Contact: Xu Zongtao

No. 20 seamless steel pipe










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Title: Seamless Steel Pipe 5
Brief introduction: 1) Causes of residual magnetism and impact on welding quality (Mass) When constructing and repairing gas pipelines for welding operations, sometimes the phenomenon of magnetic bias blowing affects the welding process. GB6479 seamless steel pipe is mainly used for the production of pneumatic or hydraulic components, such as cylinders or oil cylinders, are used seamless pipes. The chemical composition of precision seamless steel pipe includes carbon C, silicon Si, manganese Mn, sulfur S, phosphorus P, and chromium Cr. The formation of the magnetic bias is the result of the presence of residual magnetism in the tube metal. Generally, the remanence is classified into two types: inductive magnetism and technology magnetism. Inductive magnetism often occurs in the process of making pipes in the factory, such as: metal smelting, using electromagnetic cranes for loading and unloading ... [ detailed ]
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General Manager: Xu Zongtao Phone: 15522233345 Address: B9-1, Trustworthy Industrial Park, Zhongguancun, Beichen District, Tianjin
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