The fittings in a stainless welded steel pipe, so known as stainless steel pipe fittings  are created of stainless steel materials, which consists of: stainless steel elbow, stainless steel tee, stainless steel stone, stainless steel diameter pipe, stainless Steel pipe Hat. In accordance to the link technique divided into the socket kind stainless steel pipe fittings, threaded stainless steel pipe fittings, flanges stainless steel pipe fittings and welded stainless Steel pipe fittings 4 Groups. Stainless steel elbow for the turning of the pipe; flange interrelated components, related to the pipe ends, stainless steel tees for the pooling of 3 tubes applied to make pipe and tube; stainless steel 4-way pipe for the 4 tubes pooled spot; stainless steel diameter pipe for the link of two pipes of various diameters. Following are the brief classfication of steel pipe fittings.