Threaded elbow is a pipe fitting used to change the direction of the pipe in the piping system. It is also called a threaded elbow. It consists of a screw mouth and a bent part. The screw mouth has threaded grooves through which the connection with the pipe is achieved. Threaded elbows can be divided into 45°, 90° and other abnormal angle elbows according to their angles. In addition, according to project needs, elbows with other angles such as 60° can also be manufactured. Threaded elbows are widely used in various fields, such as petroleum, chemical industry, construction, food processing, etc.