According to production method can be divided into two kinds: seamless steel pipe and welded pipe.

According to the material (steel kinds) can be divided into: carbon pipe, alloy pipe, seamless steel pipe and etc.

According to the pipe end connection mode can be divided into: bare tube (pipe end without thread) and threaded tube (pipe with threaded).

According to the surface coating can be divided into characteristics: the clarinet (not plating coating) and plating coating pipe.

According to the cross-sectional shape can be divided into: round steel pipe and abnormity steel pipe.