High Frequency Pipe Making Machinery ERW Tube Mill Carbon steel pipe with Engine Pump High Productivity Pipe Mill 165mm Max 60m/min Product Specifications Attribute Value Product name High Frequency Welded Pipe Mill Heavy Duty ERW Pipe Mill Machine Worm Gearing Rectangular 165 * 6mm Pipe Size Adjusting worm gearing Running speed Max.60m/min Pipe shape Round, Square & Rectangular Pipe Diameter 76 - 165mm Max.Thickness for Round Pipe 2.0 - 6.0mm Welding Type High Frequency