Carbon Steel Tube Seamless Carbon Steel API 5L Line Pipe
Seamless Carbon Steel API 5L Line Pipe is a high-quality steel pipe designed for the transportation of oil, natural gas, and other hydrocarbon products. The API 5L standard, created by the American Petroleum Institute, sets essential guidelines for the manufacture of these pipes, ensuring they meet stringent requirements for safety, quality, and performance. These pipes are essential for the construction and operation of pipelines in the energy industry.
Applications
API 5L Line Pipes are widely used in various applications within the oil and gas industry, including:
Onshore and Offshore Pipelines: Used for transporting oil and natural gas from wells to processing facilities and distribution networks.
Refineries and Petrochemical Plants: Used in the internal piping systems of refineries and petrochemical plants.
Underground and Subsea Pipelines: Suitable for underground and subsea applications due to their high strength and corrosion resistance.
High-Pressure Applications: Ideal for high-pressure gas and oil transmission systems.
Standard Material
API 5L Line Pipes are made from carbon steel, which offers excellent strength and durability. The chemical composition of the steel must conform to the following requirements:
Grade | C (Max) | Mn (Max) | P (Max) | S (Max) |
---|---|---|---|---|
Grade B | 0.26% | 1.20% | 0.030% | 0.030% |
Grade X42 | 0.26% | 1.30% | 0.030% | 0.030% |
Grade X52 | 0.26% | 1.40% | 0.030% | 0.030% |
Grade X60 | 0.26% | 1.40% | 0.030% | 0.030% |
Grade X65 | 0.26% | 1.45% | 0.030% | 0.030% |
Grade X70 | 0.26% | 1.65% | 0.030% | 0.030% |
Grade | Tensile Strength (Min) | Yield Strength (Min) | Elongation (Min) |
---|---|---|---|
Grade B | 60,000 psi (414 MPa) | 35,000 psi (241 MPa) | 20% |
Grade X42 | 60,000 psi (414 MPa) | 42,000 psi (290 MPa) | 20% |
Grade X52 | 66,000 psi (455 MPa) | 52,000 psi (359 MPa) | 20% |
Grade X60 | 75,000 psi (517 MPa) | 60,000 psi (414 MPa) | 20% |
Grade X65 | 77,000 psi (531 MPa) | 65,000 psi (448 MPa) | 20% |
Grade X70 | 82,000 psi (565 MPa) | 70,000 psi (483 MPa) | 20% |