Anti-corrosion steel pipes refer to steel pipes that can effectively prevent or slow down chemical or electrochemical reactions during transportation and use. According to manufacturing process classification (1) The manufacturing process of seamless steel pipes can be divided into: hot rolling (extrusion), cold rolling (pulling), and hot expansion steel pipes. (2) Welded pipes can be divided into: straight seam welded steel pipes, spiral welded steel pipes, plate-roll butt welded steel pipes, and welded pipe thermal expansion steel pipes. According to shape, steel pipes can be divid...
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