... petroleum, gas and water transportation Description: SSAW Pipe Mill/Spiral Welded Pipe Machine/SSAW Pipe Making Machine External Diameter: Max. Φ4500mm ... option), Main drive, Prebend unit, Forming machine, Internal welding unit, External welding unit, Online Ultrasonic tester, Cut off unit. Finished ... , meet with DIN, JIS, GB and IEC SSAW Pipe Mill type (only for reference, can be designed according ...