... , Grinder, Sawing cutting m/c, straightener, Run out table CE tube welding line:It produces round, square, rectangle pipe.its sizes from ... 219mm.ModelDiameter of Welded TubesWall Thickness of Welded TubeSpeed of Tube WeldingPower of Major motorHigh Frequency PowerRT12Φ7∼16mm0.2∼0 ... ∼219mm3.0∼8.0mm15∼40 M/min200 KW×3pcs800 KW Tube Welding Line