Carbon steel pipe is made of ingot or solid round steel by perforation into the capillary, and then by hot rolling, cold rolling or cold dialing made.Carbon steel pipe plays an important role in China's steel pipe industry.Carbon steel pipes are divided into hot rolled and cold rolled (pulled) steel pipes.Hot rolled carbon steel pipe is divided into ordinary steel pipe, low and medium pressure boiler steel pipe, high pressure boiler steel pipe, alloy steel pipe, stainless steel pipe, petroleum cracking pipe, geological steel pipe and other steel pipe, etc.