Stainless steel pipe is a kind of pipe fittings, stainless steel material is it made so called stainless steel pipe fittings, it includes: stainless steel elbow, stainless steel tee, cross stainless steel, stainless steel reducer, stainless steel pipe cap, etc., according to join method can be divided into the socket type stainless steel pipe fittings, flanges threaded stainless steel pipe fittings, stainless steel pipes and welded stainless steel pipe fittings four classes. Stainless steel elbow is used for pipe fitting turning; A part used to connect pipes to pipes, connected to the end of a pipe, and a stainless steel tee to a place where three pipes meet; Stainless steel four-way pipes are used where the four pipes meet; Stainless steel reducing pipe is used for connecting two pipes of different diameters.