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
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Round, Square, Rectangular Tube

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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