Technical Flow:
Uncoiling - Flattening-Shearing&butt welding-Strip Accumulating-Forming-High-frequency induction welding-Bead and burr removing-Zinc patching -Cooling-Sizing Inside Removing-UltrasonicTesting-Cutting-Checking &Collecting-Binding-Weighing-Marking-Accessing Warehouse

Specifications
1.Product Specifications
I. Round pipe diameter range: Φ114mm-Φ355mm      
    wall thickness :3mm-16mm
 II. Square and rectangle tube : 90*90mm-250*250mm  
     wall thickness range 3-14mm
  III .Tube and pipe length: 4-12m
 2. Material Specifications:
(1)  Low carbon steel and low alloy steel: δb≤550Mpa 
                       δs≤235Mpa
    Strip width: 360 - 1025 mm
    strip thickness: 3-16mm
(2) strip coil:        inner diameter: Φ610-700mm
     outer diameter: 1300-2000mm
Coil weight max  : 20t
3  Line specification
   production speed:0-30m/min
   Line Power : 3000kW
   line  size: 45,000x6,500mm