Technical data
| Standard | Out Diameter | Tolerance of Pipe End | Tolerance of Pipe Body |
| API 5L | 219.1～273.1 | +1.6mm, -0.4mm | ±0.75% |
| 274.0～320 | +2.4mm, -0.8mm | ±0.75% | |
| 323.9～457 | +2.4mm, -0.8mm | ±0.75% | |
| 508 | +2.4mm, -0.8mm | ±0.75% | |
| 559～610 | +2.4mm, -0.8mm | ±0.75% |
| Standard | Grade | Out 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 unmatched reliability in fluid transportation systems. Conforming to the API 5L specification, these pipes are widely used in oil, gas, and water distribution networks due to their exceptional mechanical properties and long service life.
Constructed using high-quality carbon or low-alloy steel, our Welded API 5L Line Pipe undergoes precision welding processes (ERW/SAW) to ensure robust structural integrity. The pipes are available in multiple sizes, wall thicknesses, and grades (e.g., GR.B, X42, X52, X60), catering to diverse pressure and temperature requirements.
To enhance performance, optional coatings such as FBE, 3LPE, or galvanization can be applied for added corrosion protection. Each API 5L Line Pipe is subjected to strict quality checks, including dimensional inspection, hardness testing, and chemical analysis, ensuring compliance with international standards.
Whether for transmission pipelines, gathering systems, or industrial applications, this Welded API 5L Line Pipe offers a cost