Stainless steel fittings are a kind of pipe fittings made by stainless  steel. Thus it called stainless steel fittings, it includes: stainless  steel elbow, stainless steel tee, stainless steel cross, stainless steel  reducer, stainless steel pipe cap, etc., It can be divided into socket  type stainless steel fittings, threaded stainless steel fittings, and  butt-welded stainless steel fittings according to join method.Stainless  steel elbow is used for fitting where changing direction, stainless  steel tee to binding of three tube;Stainless steel cross  used to  binding of four tube;Stainless steel reducer used for change of   diameter.