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126th Autumn Canton Fair
126th Autumn Canton Fair Tianjin Credit Company participated in the 126th Canton Fair View More
Visiting the African Market(Steel)
Visiting the African Market(Steel) On September 15, 2019, Tianjin CREDIT Company organized company employees to visit customers and inspect the market in Africa. View More
Production process of large diameter welded pipe
Production process of large diameter welded pipe Large-diameter welded pipe is a spiral seam steel pipe, which is made of strip steel coil as raw material, often formed by warm extrusion, and welded by automatic double-wire and double-sided submerged arc welding process. The spiral steel pipe sends the strip steel into the welding pipe unit. View More
Method of removing embroidery of straight seam steel pipe
Method of removing embroidery of straight seam steel pipe Welded steel pipe is also known as welded pipe, is made of steel plate or strip after curling forming steel pipe. Welded steel pipe production process is simple, high production efficiency, variety of specifications, less equipment, but the general strength is lower than seamless steel pipe. View More
Classification of welded steel pipes
Classification of welded steel pipes According to the production method, the welded steel pipes can be divided into two categories: seamless steel pipes and welded steel pipes. 1. Seamless steel pipe can be divided into: hot rolled seamless pipe, cold drawn pipe, precision steel pipe, hot expanding pipe, cold spinning pipe and extrusion pipe, etc. Seamless steel tube with high qualit View More
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