Flanged stainless steel elbow includes elbow and flange plate. The flange plate of the product is set at both ends of the elbow. The inner diameters of the two ends of the elbow of the product are not equal. The flange type stainless steel elbow can connect external connecting pipes with different pipe diameters, has simple structure, takes up less space, and is firmly connected with good sealing effect. The main difference between stainless steel elbow and carbon steel elbow is the material. The chemical composition contained in the stainless steel elbow will keep the elbow surface free from rust and corrosion for a long time. The standards can be divided into: 1. The manufacturing standards can be divided into national standards, ship standards, electrical standards, water standards, American standards, German standards, Japanese standards, Russian standards, etc. 2. According to the production method, it can be divided into pushing, pressing, forging, casting, etc. 90 stainless steel elbow is mainly used as a connecting pipe fitting in pipe installation for connection at pipe bends. Connect two pipes with the same or different nominal diameters to make a 90 turn.