Processen i produktionen av spiralsvetsade rör

The process in the production of spiral welded pipes includes raw material preparation, coil feeding and uncoiling, leveling, shearing and butt welding, edge trimming, feeding, pre-forming and forming, internal welding, external welding, pipe cutting and initial inspection, slag removal, repair welding, chamfering, hydrostatic testing, X-ray inspection, ultrasonic inspection, finished product inspection, inkjet coding, and lager.