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high frequency longitudinally welded pipe production line is used to manufacture welded steel pipes of Φ50mm-Φ114mm with 1.5mm-5.0mm of wall thickness, which also can produce profiled pipes within the limit of processing round pipes. After absorbing advanced pipe making technology from both abroad and domestic, our innovative designed production line is not only economical but also practical.

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: 50-114mm      
    wall thickness :1.5mm-5.0mm
II. Square and rectangle tube : 40*40mm-90*90mm  
     wall thickness range 1.5-4.0mm 
III .Tube and pipe length: 6--12m
 2. Material Specifications:
(1)  Low carbon steel and low alloy steel: δb≤500Mpa 
                      δs≤235Mpa
    Strip width: 160 - 360 mm
    strip thickness: 1.5-5.0mm
(2) strip coil:inner diameter: Φ480-600mm
     outer diameter: 900-1300mm
Coil weight max  : 3t
3  Line specification
   production speed:0-60m/min
   Line Power : 1100kW
   line  size: 20,200x3,800mm
   Line Direction: right to left(from operator' s side