Carbon steel Tube Making Machine 1)O.D.: 32-127mm 2) Wall thickness:1.5-5.0mm(square pipe and special-shape pipe) I.Applicable Material1.Hot or cold-rolled steel strip (As per GB708-88)2.Material:Low-carbon steel, low alloy steel3.The thickness of steel strip: 1.5-5.0mm (As per GB708-88)4.The width of steel strip: 100-400mm5.I.D. of steel coil: Φ500-Φ600mm6.O.D. of steel coil: Φ1000-Φ1500mm7. ...