Method for scratches on cold drawn seamless steel pipe surface

Cold-drawn seamless steel pipe scratch inner and outer surface treatment method:
1. Improve the surface quality of cold drawn seamless steel pipe molds.
2, Cold drawn seamless steel pipe surface oxide scale should be pickled, rinsed, the coating should be even and firm.
3. The transition part of the hammerhead should be smooth and angular.
4. Check the mold and cold-drawn seamless steel pipe surface and find out the problem in time.

The above measures can effectively prevent scratches on the surface of cold drawn seamless steel tubes.