Description
API 5L Gr B Pipe
API 5L Gr B Pipes are high-strength carbon steel pipes primarily used in oil, gas, and water pipelines. Manufactured as seamless or welded, these pipes conform to API 5L standards for line pipe applications, ensuring durability, corrosion resistance, and high-pressure handling capabilities.
Key Features
- High Strength & Durability – Designed to withstand high pressure and harsh environments.
- Versatile Applications – Suitable for oil, gas, and water pipelines, as well as industrial fluid transport.
- Seamless & Welded Options – Available in both seamless and welded types to meet diverse project requirements.
- Corrosion Resistance – Offers good resistance to corrosion in standard operating conditions.
- Wide Size Range – Available in various diameters and wall thicknesses for flexible installation.
- Precision Manufacturing – Manufactured according to API 5L standards with strict quality control.
- Customizable Surface Finish – Options include black, galvanized, or painted surfaces.
- Comprehensive Testing & Certification – Hydrostatic, non-destructive testing, and certifications available (ISO, API, CE).
API 5L Gr B Chemical Composition
| Element | Max (%) |
|---|---|
| Carbon (C) | 0.26 |
| Manganese (Mn) | 1.20 |
| Phosphorus (P) | 0.03 |
| Sulfur (S) | 0.03 |
| Silicon (Si) | 0.15–0.35 |
API 5L Gr B Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength | 35,000 psi (240 MPa) |
| Tensile Strength | 60,000–70,000 psi (415–485 MPa) |
| Elongation | ≥ 30% |
| Hardness | ≤ 187 HB |
Applications:
- Oil & Gas pipelines
- Water pipelines
- Transport of fluids in industrial pipelines
- Structural applications

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