API 5L Grade B Pipe
High-Performance Line Pipe for Oil & Gas Industry
API 5L Grade B Pipe is a standard carbon steel line pipe used primarily in the transportation of petroleum and natural gas. Known for its excellent weldability and durability, it is manufactured under the American Petroleum Institute specifications. These pipes are available in both Seamless and Welded (ERW) types, catering to various pressure requirements across global energy projects.
Technical Specifications
| Feature | Details |
|---|---|
| Standard | API 5L (American Petroleum Institute) / ISO 3183 |
| Grade | Grade B / PSL1 / PSL2 |
| Size Range | 1/2” NB to 40” NB |
| Wall Thickness | Schedule 10 to Schedule 160 / XXS |
| Length | Single Random, Double Random & Required Length |
| End Connections | Plain End, Beveled End, Treaded |
Mechanical Properties
| Property | Grade B (PSL1) | Grade B (PSL2) |
|---|---|---|
| Min Yield Strength | 35,000 psi (245 MPa) | 35,000 psi (245 MPa) |
| Max Yield Strength | None | 65,000 psi (450 MPa) |
| Min Tensile Strength | 60,000 psi (415 MPa) | 60,000 psi (415 MPa) |
| Max Tensile Strength | None | 110,000 psi (760 MPa) |
Chemical Composition (Maximum %)
| Element | PSL1 (Grade B) | PSL2 (Grade B) |
|---|---|---|
| Carbon (C) | 0.28% | 0.24% |
| Manganese (Mn) | 1.20% | 1.20% |
| Phosphorus (P) | 0.030% | 0.025% |
| Sulphur (S) | 0.030% | 0.015% |
| Silicon (Si) | - | 0.40% |
| Copper (Cu) | - | 0.50% |
| Nickel (Ni) | - | 0.50% |
Features and Benefits of API 5L Grade BPipe
- Supplied with NACE MR0103, NACE MR0175 Test Certificates
- EN 10204 3.1 and EN 10204 3.2 Material Test Certificates (MTC)
- Official Guarantee Letter provided for quality assurance
- Can withstand up to 250 deg C temperature
- High resistance to crack propagation
- Ideal for Gas, slurry, water, steam, and oil transportation
- Preferred in long pipelines due to low cost and high efficiency
- Manufactured as per ISO 3183 International Standards
Applications & Uses
Oil & Gas
Primary choice for transporting crude oil and natural gas over long distances in onshore and offshore pipelines.
Water Services
Utilized in high-pressure water transmission and sewage systems due to its durability and flow efficiency.
Petrochemical
Extensively used in refineries for the movement of refined products and chemical slurries under specified heat.