High Frequency Welded Pipe Machine ERW Tube Mill Carbon Steel Tube Production Line Pipe Making Machinery Key Specifications Attribute Value Product Name Automatic 165mm High-Frequency Tube Mill Machine Roller Surface Chrome Plating Roller Hardness HRC58-62 Wall Thickness 6mm Weight 30000kg Material Carbon Steel Voltage 380V Roller Material Cr12 Length 12 M Operation Mode Automate Product Overview Our high-performance Tube Mill Machine features advanced PLC control for