steel bar bending machine 1: Uncoil 2: Straightening 3: Cutting 4: Bending steel pipe bending machineWe supply rolling pipe bending machine with round & square bending formers ... , 19, 22, 25, 30, 38, 40, 50mm3) Wall thickness of pipe: 0.5mm - 2mm4) Vol/phase/frequency: 220/380Voltage, 50-60hz, 1 ...