... according to customer's demand. I. Octagon pipe roll forming machine line component:Decoiler, 1 setFeeeding guiding device, 1 setRoll ... forming machine, 1 setHydraulic cutting device, 1 setPLC control box, ... 40mm, 60mm, 70mm, 80mmMaterial thickness:0.4mm-1.2mmForming speed:3-8m/minForming step: 22 stepsShaft diameter: 60mmRoller material: ...