Spiral welded pipe unit Product Introduction: A spiral pipe mill is a series of machines used to roll steel strips by a certain angle and produce spiral welded pipes. It produces spiral welded pipes of diameter range 219mm to 3500mm. Spiral welded pipe unit is a steel pipe formed by rolling low-carbon structural steel or low-alloy structural steel strip into pipe blank through the forming machine according to a certain forming angle, and then welding the spiral pipe seam with submerged arc welding machine. Benefits & Features
