Technical parameter of product 1. Outer diameter of rough tube: 27-48mm 2. Wall thickness of rough tube: 2.5-5mm 3. Length of rough tube: 2500-7000mm 4. Outer diameter of finished products: 16-38mm 5. Wall thickness of finished products: 1.2-3.0mm 6. Max.coefficient of elongation: stainless steel 3.5 Technical parameter of machine 1. Diameter of roller: 260 mm 2. Efficient length of groove: 450 mm 3. Spec. of pitch circle:Mn=8 Z=30 4. Radius of crank: 300 mm 5. Length of connecting rod: 1800 mm 6. Round trip length of operating frame: 603.111mm 7. Round trip frequency of operating frame: 50-90 times/minute 8. Feeding amount: 3-15mm 9. Swing angle of rough tube: 41-52 degree 10. Rolling force: 500KN 11. Material loading method: End loading 12. Continuous rolling: No. 13. Feeding and turning method: Single feeding /double turning Double feeding /double turning 14. Rolling lines: single 15. Power of main motored motor 55KW