... 3: Cutting 4: Bending steel pipe bending machineWe supply rolling pipe bending machine with round & square bending formers. The rolling pipe bending machine is applicable for ... round bending.1) Round bending formers: 16, 19, 22, 25, 32, 38, 51, 63, 76mm2) Square bending formders: 16 ... , 19, 22, 25, 30, 38, 40, 50mm3) Wall thickness of pipe: 0.5mm - 2mm4) Vol/phase/frequency ...