LSAW steel pipe refers to the steel pipe manufacturing with “Longitudinally Submerged ARC Welded Methods”. Its full name is “Longitudinally submerged ARC welded pipe”.

ADTO group, the leading professional steel pipe manufacturers based in China, providing high-quality LSAW steel pipe for sale. ADTO LSAW steel pipe is widely used in onshore and offshore oil and gas pipelines requiring critical service, high performance, and tight tolerances. which are also used in the conveyance of flammable & nonflammable liquids, and as structural members in construction projects.

Do you know the manufacturing process of LSAW steel pipe? Then let’s have a basic understanding of it. We will make a list to display the steps needs to manufacture LSAW steel pipe.

1. Steel plate UT inspection

2. Electromagnetic lifter

3. Jointed panel

4. Reversed double-side external welding

5. Torch trimming

6. Mold and pre-bending

7. “O” pressing

8. “C” pressing

9. “J” pressing

10. Pre-welding(helting pole arc welding)

11. Welding of run on/off tab

12. Internal welding

13. Back gouging

14. External welding

15. Removal of run on/off tab

16. Ultrasonic inspection

17. Straightening

18. Rounding

19. Ultrasonic inspection

20. Circumferential stratified UT inspection at the pipe end

21. X-ray inspection

22. Magnetic particle examination at the pipe end

23. Project inspection

24. Weighing and measuring

25. External anti-corrosion

26.  Internal anti-corrosion

27. Cargo transportation

28. Marketing