For production of steel tube, pipe in round, square. 1. Pipe O.D.: 8~275mm ... .3~12mm 3. Speed: 0~90m/min Steel Tube Mill Line, Steel Pipe Production Line, Pipe Mill, Steel pipe production line1. To make ... )2. Wall thickness from 0.3 to 12mm. The complete line include the following device:1. Double side Uncoiler2. Hoop cage ...