Carbon steel seamless steel pipe is made of high-quality carbon structural steel (such as 20#, 45#, Q345, etc.) through hot rolling or cold drawing process, with the characteristics of no weld, high strength, excellent pressure bearing performance, etc. The product outer diameter range is 6-630mm, the wall thickness is 1-50mm, and it complies with GB/T8162, ASTM A106 and other standards, and is suitable for high-pressure and high-precision working conditions.