... Description: ERW Pipe Production Line/ERW Pipe Mill/ERW Pipe Making MachineExternal diameter: Max.Φ508mm(20inch)Steel grade: Max X80Steel material ... : Coiler car, Decoiler, Peeler and straightener, Pinch and leveling Machine, End shear machine, Accumulator (Storage capacity: Max.200Tons), Planner (options), Edge miller, Plate (online) ultrasonic ...