The classification of carbon steel pipe

Carbon steel pipe is divided into hot rolling carbon steel pipe and cold rolling steel pipe.

Hot-rolled carbon steel pipes are divided into general steel pipes, low and medium pressure boiler pipes, high pressure boiler pipes, alloy steel pipes, stainless steel pipes and other steel pipes.

Except above classify, Cold-rolled (dial) carbon steel pipe also includes carbon thin-walled steel pipe, alloy thin-walled steel pipe, Rust thin-walled steel pipe, special-shaped steel pipe. Hot rolled seamless steel pipe out diameter larger than 32mm, the wall thickness is about 2.5-75mm, the outer diameter of cold-rolled seamless steel pipe can be up to 6mm, the wall thickness can be up to 0.25mm, the outer diameter of thin-walled pipe can be 5mm, and the thickness is less than 0.25mm. Cold rolling steel pipe size is more accurate than hot rolling steel pipe.

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