1. The problem of the galvanized steel pipe mouth not being in a straight line and having an oblique joint with the steel pipe is recommended to cut off a small section of the steel pipe head before processing.
2. After the joint of the galvanized steel pipe mouth, there is a phenomenon of two pipe mouths not being tightly connected, resulting in uneven thickness of the welded joint; Due to its own reasons or transportation collisions, the steel pipe may have an elliptical opening. It is recommended to cut off a small section of the steel pipe head before processing.
3. After the joint of the galvanized steel pipe mouth, sand holes appear at the pipe mouth:
4. Due to technical reasons during welding.
