Astm Spiral Steel Welding Pipe Mill 

Production technology process/Flow chart:    Loading coil — Decoiler — Leveling — Shear and butt welding — Edge miller — Feeding cart — Flying cart — Deliver machine — Prepending and Guiding — Forming — Inner welding — Outer welding — Tracking cutting — Pipe cart transit  — Repairing welding — Pipe end expander — X-ray inspection — Hydrostatic testing — Beveling — UT inspection — Pipe end film — Weighting and Length measurement — Marking — Collection. Spiral Pipe Machine  Double-sides spiral submerged arc welded pipe machine is main product in our company, after years of exploration and continuous improvement, the spiral welded pipe machine’s technology and equipment technology level has been in the leading position in China, it is also the most reliable and loyal partner and friend of steel pipe factories.  Spi…