UOE SAWL PIPES
Most advanced technology & process, achives high production efficiency, stable product quality and equipped with complete inline inspection equipments.
Adopts U & O forming. Formed pipes are welded outside through 4 external welding stations with 3 wires. In accordance with different requirements of clients, the
welded pipes can be expanded eigher by mechanical or hydrostatic expander to improve dimensional accuracy and eliminate residual stress.