ERW API Tube Mill, 127mm-508mm
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
