ERW API Tube Mill, 127mm-508mm
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 ProceduresCoil 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:
Coil Outer Diameter: Ø1350mm~Ø2000mm
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 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
- 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
