SSAW steel pipe stands for Spirally Submerged Arc Welding pipe, which is mainly used in petroleum and natural gas industry to transport flammable and non-flammable liquid and steel construction.

The manufacturing process of SSAW steel pipe can be listed as below:

1. Raw material inspection

2. Vertical snip

3. Roll unfolding

4. Smoothing

5. Cutting and volding

6. Delivery

7. Molding

8. Internal and external welding

9. External surface inspections

10. Steel pipe amputation

11. Solder and climber cleaning

12. Opposite weld soldering

13. Supplementary welding

14. Manual ultrasonic inspection

15. X-ray inspection

16. Internal and outer surface inspection

17. Nozzle burnishing

18. Nozzle maching

19. Hydraulic pressure

20. The length and weight measuring

21. Finnish product inspection

22. Oil coating

23. Marketing

24. Store up