... 8-219mm 2.Thickness: 0.3-8.0mm Welding Steel Tube Mill Line: used for producing round, square, rectangle ... Welder3) Accumulator (Option: Vertical and horizontal type)4) Forming, Welding and Sizing millA) Feeding & Leveling deviceB) Forming machineC) Guiding, extruding, ... ModelDiameter of Welded TubesWall Thickness of Welded TubeSpeed of Tube WeldingPower of Major motorHigh Frequency PowerRT16Φ8∼25mm0.3 ...