The production steps of steel pipe elbow pipe elbow:
1. Roll the iron plate into the pipe diameter of the elbow you need, and weld it. (To be long enough)
2. Stake out according to the required degree of elbow. (Usually it is placed on linoleum paper, it is better to put it on thin iron sheet if it is used frequently)
3. Enclose the template on the rolled pipe and draw a line for cutting.