Home » Quality Assurance » Manufacturing Process
1. Uncoiler
2. Leveling
3. Shearing
4. End welding
5. Spiral accumulator
6. Forming
7. HF welding
8. Online ultrasonic flaw detection
9. Online heat treatment of welding seam
10. Air cooling and water cooling
11. Sizing
12. Fiying saw decides the length
13. End facing machine
14. Hydrostatic tesing
15. Welding Seam Ultrasonc Testing
16. End Testing
17. Overall Dimension Inspection
18. Length/Weight Measurement
19. Coating
20. Marking
21. Packing
22. Transportation
23. Flattening Test
24. End Facing Machine
25. Hydrostanc Testing
26. Welding Seam Ultrasonic Testing
27. End Testing
28. Overall Dimension Inspection
29. Length/Weight Measurement
30. Drift
31.Coating
32. Marking
33. Packing
34. Transportation
35. Overall Dimension Inspection
36. Length/Weight Measurement
37. Coating
38. Marking
39. Packing
40. Transportation
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