ERW API Tube Mill, 127mm-508mm
ERW API Tube Mill, 127mm-508mm
ERW API Tube Mill, 127mm-508mm
ERW API Tube Mill, 127mm-508mm
ERW API Tube Mill, 127mm-508mm
ERW API Tube Mill, 127mm-508mm

ERW API Tube Mill, 127mm-508mm

Round, Square, Rectangular Tube

1 ERW76 Sizing section

ERW219 Forming section

ERW254 Sizing section

FF forming technology

Automatic stacking machine

This ERW API tube mill is designed for the production of API line pipes, petroleum casing pipes, and structural pipes with a diameter range of 273mm-508mm. The welding speed is 15~30m/min and the maximum output can reach 250,000T per year.

Production Procedures

Coil Loading → Uncoiling → Flattening/Leveling → Shearing & End Welding → Coil Accumulator → Forming → Welding → Inner & Outer Deburring → Annealing → Air & Water Cooling → Sizing & Straightening → Flying Saw Cutting → End Facing & Chamfering → Hydrostatic Testing → Ultrasonic Flaw Detection → Weighing & Measuring → Painting & Marking → Packaging → Warehouse Storage

Basic Technical Parameters
  • Raw Material Specifications

    Steel grade:
    Line pipe: A, B, X42, X46, X52, X56, X60, X65, X70, X80
    Petroleum casing pipe: H40, J55, K55, N80
    Structural pipe: Q215, Q235, Q345, 20#Coil Outer Diameter: Ø1350mm~Ø2000mm
    Coil Inner Diameter: Ø610~Ø762mm
    Coil Weight: Max. 35T
    Strip Width: 680mm~1600mm
    Strip Thickness: 6mm~16mm

    • Finished Pipe Specifications
      Technical Standards: API 5L API 5CT GB/T 3091 JIS G3452 JIS G3444 JIS G3445 ASTM A513 EN 10219
      Pipe Outer Diameter: Ø 219mm~Ø508mm
      Pipe Length: 6~20m
      Welding Speed: 15~30m/min
      • Annual Output: 250,000 tons/year
      • 4. Total Installed Capacity: Approx. 3,500 kW
      Design Concepts
      • Improves serviceability and productivity
      • Increase stability of the product quality
      • Maximize output
      • Lower equipment cost
      • To satisfy small-batch production requirements of multiple products
      • To improve the environment and safety during operation















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