High Precision Carbon Steel Pipe Roller Forming High Speed ERW Square Tube Mill Key Specifications Attribute Value Mill Name High Precision Carbon Steel Pipe Roller Forming High Speed ERW Square Tube Mill Line Speed Max. 100m/min Forming Method Cold Roll Forming by Rollers Welding Type High Frequency Welding Cutting Cold Saw; Without Burr Feature High Precision More Stable High Speed Customized Machine Designing As Per Customer Requirement Diameter Range 19-60.3mm Thickness