carbon steel pipe bending machine 1.high-tech processing 2.OEM as your design ... R≤6D—180°,carbon steel, alloy steel,stainless steelthe range of the bend pipe:Φ50-Φ426mm,the min-diameter:2.5D ... parts:26KW,380V,220V,50HZThe power of M-frequency heating systerm:500KW,500-1000HZthe part of microcomputer:can show the angle,distance ... the data showing. big diameter carbon steel pipe bending machine