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API 5L ERW Pipe Mill
Product Features Our tube mill production lines incorporate advanced engineering features designed to maximize productivity, ensure consistent quality, and provide operational flexibility. The following key features distinguish our equipment in the global marketplace and deliver value throughout...
Description
Product Features
Our tube mill production lines incorporate advanced engineering features designed to maximize productivity, ensure consistent quality, and provide operational flexibility. The following key features distinguish our equipment in the global marketplace and deliver value throughout the equipment lifecycle.
• High-frequency induction welding (HFI) process produces welds with mechanical properties equivalent to parent material.
• Online seam annealing with controlled temperature and cooling rate normalizes weld zone for sour service applications.
• Computerized forming control with servo-adjustable rollers maintains precise OD and roundness across production runs.
• Multi-stand sizing and straightening system delivers API 5L dimensional tolerances for pipeline construction.
• Integrated NDT stations (UT, X-Ray, ECT) provide 100% inspection coverage with full traceability per API requirements.
Main Technical Parameters
The technical parameters below represent typical specifications for this production line. All parameters can be customized to meet specific customer requirements, including pipe diameter ranges, wall thickness capacities, welding processes, and production speeds. Contact our engineering team for detailed technical consultations.
|
Parameter |
Specification |
|
Pipe OD Range |
219.1mm – 610mm (8" – 24") |
|
Wall Thickness |
3.2mm – 16.0mm |
|
Pipe Length |
6m – 12.2m (standard), up to 18m |
|
Welding Process |
HFI (High Frequency Induction) |
|
Welding Speed |
8 – 30 m/min |
|
HF Power |
400kW – 1000kW |
|
Material Grade |
API 5L PSL1/PSL2: B, X42–X80 |
|
Seam Annealing |
Online induction annealing |
|
Hydrostatic Test |
Up to 0.95 x yield pressure |
|
NDT Coverage |
100% UT + X-Ray ends + ECT |
|
Standard Compliance |
API 5L, ISO 3183, DNV-OS-F101 |
|
Production Capacity |
60,000 – 200,000 tons/year |
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