Technical data
| Standard | Outer Diameter | Tolerance of Pipe Ends | Tolerance of the Pipe Body |
| API 5L | 219.1–273.1 | +1.6 mm, -0.4 mm | ±0.751 TP3T |
| 274.0–320 | +2.4 mm, -0.8 mm | ±0.751 TP3T | |
| 323.9–457 | +2.4 mm, -0.8 mm | ±0.751 TP3T | |
| 508 | +2.4 mm, -0.8 mm | ±0.751 TP3T | |
| 559–610 | +2.4 mm, -0.8 mm | ±0.751 TP3T |
| Standard | Grade | Outer Diameter | Wall Thickness |
| API 5L | A | 219.1–457 | +15%, -12.5% |
| B | 508–610 | +17.5%, -12.5% | |
| X42–X80 | 508–610 | +19.5%, -8% |
The Welded API 5L Line Pipe is engineered to deliver unrivalled reliability in fluid transport systems. Compliant with the API 5L specification, these pipes are widely used in oil, gas and water distribution networks owing to their exceptional mechanical properties and long service life.
Manufactured from high-quality carbon or low-alloy steel, our Welded API 5L Line Pipe is produced using precision welding processes (ERW/SAW) to ensure robust structural integrity. The pipes are available in a range of sizes, wall thicknesses and grades (e.g. GR.B, X42, X52, X60), to meet a variety of pressure and temperature requirements.
To enhance performance, optional coatings such as FBE, 3LPE or galvanisation can be applied to provide additional corrosion protection. Each API 5L line pipe undergoes rigorous quality checks, including dimensional inspection, hardness testing and chemical analysis, to ensure compliance with international standards.
Whether for transmission pipelines, gathering systems or industrial applications, this welded API 5L line pipe offers a cost-effective