Production process of welded pipe unit
23-03-2022
The production process of welded pipe equipment is mainly divided into:
feeding → uncoiling → straight head → leveling → shearing butt welding → material storage → leveling → rough forming → fine forming → welding → removal of internal and external burrs → polishing → flaw detection → intermediate frequency welding Seam annealing → air cooling → water cooling → sizing → straightening → sawing → straightening → flat head → hydraulic test → conveying → marking → oiling → packing → storage
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