Technical parameter of product 1.outer diameter of rough tube : 32-62mm 2.wall thickness of rough tube: 2-4.5 mm 3.outer diameter of finished products:25-42 mm 4. wall thickness of finished products:1.6-3.0 mm Technical parameter of machine. 1.length of rough pipe:less than7000mm 2.diameter of roller:320mm 3.round trip length of operating frame:820mm 4.round trip frequency of operating frame:65-100times/min 5.feeding amount: 3-15mm 6. swing angle of rough tube:41-52 degree 7.feeding and turning method: Double feeding ,double turning 8.rolling lines: single 9:power of main motor 90KW