Grade: #20,#35,#45,Q295, Q345,27SiMn
OD:32mm-356mm
Thickness: 3.5mm-40mm
Main process flow:
1. walking beam heating furnace
2. high speed hot saw
3. cone type piercer
4. continous rolling
5. extracting pipe
6. induction heating
7. tension reducing
8. cooling
9. specified length
10. straightening
11. soot blowing
12. nondestructive testing
13. manual inspection
14. UVsoray paint
15. spraying label
16. automatic packaging
17. weighting in the warehouse