The following make the pipe fitting subdivided

　　The following make the pipe fitting subdivided. It can separate two categories according to the straight pipe and the welding way of fittings. There will be socket welding (SW) pipe fitting and threaded (THD) pipe fitting. There also have some other kinds. Use the same material in the pipe. They are carbon steel pipe fitting (CS), lsaw steel pipes and butt welding pipe fitting (BW), normal pipe thread (NPT), normal saw steel pipes.

　　Butt welding category contains elbow, tee, reducer, cap, all kinds of the pipe joints (union, single head wire, double wire, plug and so on.) According to if the weld on the pipe fitting surface, it can be divided into two large kinds that is the seam pipe fitting and seamless pipe fitting.

　　Hebei shengtian pipe-fitting group Co. is a leading manufacturer and supplier of  Seamless steel pipes, ERW pipes, oil casing pipes, spiral pipes,API5L pipes.