What is seamless pipe?

What is seamless pipe (also called seamless steel pipe, seamless pipe, seamless steel pipe)


Made of a single piece of metal, the surface of which is not a seam steel pipe, is called a seamless pipe. According to the production method, seamless pipe is divided into hot rolling pipe, cold rolling pipe, cold drawing pipe, extrusion pipe and jacking pipe. According to the section shape, seamless steel pipe can be divided into circular and irregular shapes. There are many complex shapes, such as square, oval, triangle, hexagon, melon, star and winged tube. The maximum diameter is 650mm and the minimum diameter is 0.3mm. According to different purposes, there are thick wall tubes and thin wall tubes. Seamless steel pipe is mainly used for petroleum geological drilling pipe, petrochemical cracking pipe, boiler pipe, bearing pipe, automobile, tractor, aviation high-precision structural steel.

Chinese Name: seamless steel pipe

English Name: seamless steel tube, seamless tube, seamless pipe, seamless steel pipe


Function of conveying fluid: no joint on the surface


Standing materials: 10, 20, 35, 45, 16 million


Category: rolling and profile rolling technology