About Product:Carbon steel elbow is a metal fitting that changes the direction of the pipe on the Carbon steel pipe. There are 45° and 90°180° are the three most commonly used, and other crazy Angle elbows such as 60° are also included according to the engineering needs. Elbow materials are cast iron. Stainless steel, alloy steel, malleable cast iron, carbon steel, non - ferrous metals and plastics. The Connection with the pipe: Flange connection, hot melt connection, electric fusion connection Thread connection and socket type connection. According to the production process can be divided into welding elbow, stamping elbow, push elbow, casting elbow and so on.