Steel pipe processing and furnace installation:1. Workpieces that are easily deformed during heat treatment should be heated on a special fixture.2. The workpiece should be placed in the effective heating zoneWarm-up:1. For workpieces with complex shapes or sharp changes in cross-section and large e

1. Welding seam defects: Welding seam defects are serious and need to be compensated by manual mechanical grinding. The resulting grinding marks will cause the surface to be uneven and affect the appearance. Only pickling and passivating the welds also result in uneven surfaces.2. Scratches are diff

When the spiral steel pipe is blocked, it will not only affect our use but also have a certain corrosive effect on some materials inside the spiral steel pipe. Therefore, if it is not cleared in time, it will have very bad effects over time.The first is to flush with water and use the pressure of wa

Seamless steel pipes, precision-rolled steel pipes, and cold-drawn steel pipes will also have eccentricity problems due to perforation:Any factor that destroys the geometric accuracy of the deformation zone formed by the roller, the head, and the guide plate will aggravate the uneven capillary wall