Product Overview –API 5L Grade B PSL 2 Welded Pipes
API 5L Grade B PSL 2 Welded Pipes are premium carbon steel line pipes manufactured for demanding pipeline systems where enhanced quality assurance, superior weld performance, and strict inspection standards are required. Produced in accordance with API Specification 5L Product Specification Level 2 (PSL 2), these welded pipes are widely used for transporting crude oil, natural gas, petroleum products, water, hydrogen, and other industrial fluids in critical operating environments.
Manufactured using advanced Electric Resistance Welding (ERW) and Longitudinal Submerged Arc Welding (LSAW) processes, API 5L Grade B PSL 2 Welded Pipes combine dependable mechanical strength with outstanding weld integrity and dimensional precision. Compared with PSL 1, the PSL 2 specification includes tighter limits on chemical composition, mandatory Charpy V-Notch impact testing, comprehensive non-destructive examination, enhanced manufacturing controls, and complete material traceability, making these pipes suitable for high-reliability pipeline projects.
API 5L Grade B PSL 2 Welded Pipes are extensively used in cross-country oil & gas pipelines, LNG terminals, offshore production facilities, petrochemical complexes, petroleum refineries, hydrogen transportation systems, power generation plants, marine engineering, and industrial processing installations. They are available in multiple diameters, wall thicknesses, schedules, lengths, and corrosion-resistant coatings to meet international engineering specifications.
Industrial buyers frequently search for API 5L Grade B PSL 2 Welded Pipe Supplier, API 5L Grade B ERW Pipe, API 5L Grade B LSAW Pipe, Carbon Steel Grade B PSL 2 Welded Pipe, API 5L Grade B Pipe Manufacturer, API 5L Grade B Pipe Exporter, API 5L Grade B Pipe Stockist, API 5L Grade B Pipe UAE, API 5L Grade B Pipe Saudi Arabia, and API 5L Grade B PSL 2 Welded Pipe Price.
Material Specification -API 5L Grade B PSL 2 Welded Pipes
Technical Specifications –API 5L Grade B PSL 2 Welded Pipes
| Outside Diameter: | 21.3 mm to 2540 mm |
| Wall Thickness: | SCH 10 to SCH XXS |
| Length: | Single Random, Double Random & Custom Length |
| Pipe Ends: | Plain End, Bevel End, Threaded |
| Delivery Condition | As Welded / Normalized (When Required) |
| Surface Finish: | Bare, Black Painted, Anti-Rust Oil, FBE, 3LPE & 3LPP |
| Pipe Shape: | Round |
| Manufacturing: | ERW / LSAW Welded |
| Available Sizes: | ½", ¾", 1", 1¼", 1½", 2", 2½", 3", 4", 5", 6", 8", 10", 12", 14", 16", 18", 20", 24", 30", 36", 42", 48" |
Custom lengths and project-specific sizes are available on request.
Third Party Inspection Available
All specifications are in accordance of API Specification 5L. Mechanical and chemical values are as per standard limits. Mill Test Certificates (MTC) available upon request.
Chemical Composition –API 5L Grade B PSL 2 Welded Pipes
(As per ASTM specification)
| Element | Max (%) |
|---|---|
| Carbon (C) | 0.24% |
| Manganese (Mn) | 1.20% |
| Phosphorus (P) | 0.025 |
| Sulphur (S) | 0.015 |
Note: API 5L Grade B PSL 2 Welded Pipes are produced with stricter phosphorus and sulfur limits than PSL 1, improving weldability, fracture toughness, low-temperature performance, and long-term structural reliability in critical pipeline applications.
Mechanical Properties of API 5L Grade B PSL 2 Welded Pipes
| Property | Value (Min) |
|---|---|
| Yield Strength | 245 MPa (35 ksi) |
| Tensile Strength | 415 MPa (60 ksi) |
| Elongation | As per API 5L Formula |
| Density | 7.85 g/cm³ |
| Modulus of Elasticity | 200 GPa |
| Thermal Conductivity | 50 W/m·K |
| Melting Range | 1425–1540°C |
| Electrical Resistivity | 0.16 µΩ·m |
| Hydrostatic Test | Required |
Note :API 5L Grade B PSL 2 Welded Pipes combine dependable mechanical strength with enhanced inspection procedures, mandatory impact testing, and full material traceability, making them suitable for high-quality pipeline systems where safety and reliability are essential.
Why Choose API 5L Grade B PSL 2 Welded Pipes?
Applications of API 5L Grade B PSL 2 Welded Pipes
Where API 5L Grade B PSL 2 Welded Pipes are used:
- 🔸Oil Gathering Pipelines
- 🔸Natural Gas Distribution Lines
- 🔸Water Transmission Pipelines
- 🔸Industrial Utility Pipelines
- 🔸Industrial Utility Piping
- 🔸Petroleum Product Transfer Lines
- 🔸Petrochemical Process Piping
- 🔸Refinery Utility Systems
- 🔸Fire Water Distribution Networks
Understanding Stainless Steel Grades ?
have a look what experts says !
Key Advantages of API 5L Grade B PSL 2 Welded Pipes
Best Alternatives to API 5L Grade B PSL 2 Welded Pipes
1.API 5L Grade B PSL 2 Seamless Pipes
- This process provides:
- 🔸 Seamless construction without a longitudinal weld
- 🔸 Superior pressure resistance
- 🔸 Uniform mechanical properties
Best for:High-pressure process piping, refinery systems, power plants, hydraulic services, and critical industrial fluid transportation.
2. API 5L Grade B PSL 1 Welded Pipes
- 🔸 Same mechanical strength
- 🔸 Standard PSL 1 quality requirements
- 🔸 More economical for non-critical services
Best for: Industrial pipeline systems, refinery utilities, water transmission, natural gas distribution, and medium-pressure applications.
3. API 5L X42 PSL 2 Welded Pipes
- 🔸 Higher yield strength of 290 MPa (42 ksi)
- 🔸 Suitable for higher operating pressures
- 🔸 Excellent structural performance
Best for: Cross-country pipelines, oil & gas infrastructure, petrochemical projects, and long-distance transmission systems.