ERW API Tube Mill, 127mm-325mm Manufacturer

ERW API Tube Mill, 127mm-325mm

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Round, Square, Rectangular Tube

1 ERW76 Sizing section

ERW219 Forming section

ERW254 Sizing section

FF forming technology

Automatic stacking machine

This is our ERW API tube mill with a maximum output of 150,000T products 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: Ø1000mm~Ø2000mm
Coil Inner Diameter: Ø610~Ø700mm
Coil Weight: Max. 30T
Strip Width: 400mm~1020mm
Strip Thickness: 4mm~12.7mm

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 127mm~Ø325mm
Pipe Length: 6~12m
Welding Speed: 15~35m/min

Annual Output: 150,000 tons/year

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