Steel Tube Mill: HC high frequency straight seam welded tube mill is designed to produce welded round pipes of 0.3 8.6 inch in diameter and 0.2 8mm in wall thickness as well as square pipes, rectangular pipes and irregularly shaped pipes of corresponding sizes. Our machines are with high speed, high production, good performance, low labor cost and cost saving. Specification: Main Technical ParametersModelDiameter of round pipes(mm)Wall thickness of welded pipes(mm)Speed of pipe welding(m/min)Power of major motor(KW)High frequency power(KW)HC10Φ0.3 Φ0.6inch(Φ7mm Φ16mm)0.2 0.8mm0 80m/min15KW60KWHC20Φ0.3 Φ1.0inch(Φ8mm Φ25mm)0.3 1.2mm0 80m/min30KW100KWHC25Φ0.3 Φ1.4inch(Φ8mm Φ32mm)0.4 1.5mm0 80m/min37KW100KWHC28Φ0.4 Φ1.5inch(Φ10mm-Φ38mm)0.4 1.8mm0 80m/min45KW100KWHC32Φ0.5 Φ1.7inch(Φ12mm Φ42mm)0.4 2mm0 70m/min55KW100KWHC45Φ0.5 Φ2.0inch(Φ13mm-Φ50mm)0.4 2.2mm0 70m/min75KW150KWHC50Φ0.8 Φ2.5inch(Φ22mm Φ63mm)0.6 2.75mm0 65m/min90KW200KWHC60Φ0.8 Φ3.0inch(Φ22mm Φ76mm)0.8 3.5mm0 65m/min110KW200KWHC76Φ1.3 Φ3.7inch(Φ32mm Φ95mm)1.5 4mm0 60 m/min160KW300KWHC89Φ1.5 Φ4.5inch(Φ38mm Φ114mm)1.5 4.5mm0 55m/min200KW300KWHC114Φ2.3 Φ5.0inch(Φ60mm Φ127mm)2 5mm0 50m/min250KW400KWHC165Φ3.0 Φ6.5inch(Φ76mm Φ165mm) 2 6mm0 50 m/min160*2KW600KWHC219Φ4.5 Φ8.6inch(Φ114mm Φ219mm) 3 8mm0 40m/min200*3KW 800KW