... 3: Cutting 4: Bending steel bar bending machineWe supply rolling pipe bending machines with round & square bending formers. The rolling pipe bending ... metal pipes into arc shapes. It is suitable for round, square and rectangular pipes and features smooth round bending.1) Round ... formers: 16, 19, 22, 25, 32, 38, 51, 63, 76mm2) Square bending formders: 16, 19, 22, 25, 30, 38, 40, 50mm3 ...