Seamless steel pipe is made of a single piece of metal without seams on the surface.

According to the production method, seamless steel pipe are divided into hot rolled pipes, cold rolled pipes, cold drawn pipes, extruded pipes, and jacked pipes. According to the cross-sectional shape, seamless steel pipes are divided into two types: round and special. Special-shaped pipes include square, oval, triangle, hexagon, melon, star, and finned pipes. The maximum diameter is 650mm and the minimum diameter is 0.3mm. Depending on the application, there are thick-walled pipes and thin-walled pipes. Seamless steel pipes are mainly used as petroleum geological drilling pipes, cracking pipes for petrochemicals, boiler tubes, bearing tubes, and high-precision structural steel pipes for automobiles, tractors, and aviation.

Changsha Xiangjia Metal Materical Co., Ltd. the Steel Pipe Division of ADTO GROUP, is one of the leading manufacturers of steel pipe in China. We specializes in manufacturing seamless steel pipe, ERW steel pipe, square & rectangular steel pipe, OCTG pipe, ect. in various grades and sizes. We will tell you more knowledge about seamless steel pipe.