API 5L X46 PSL2 pipes are an integral part of the API 5L specification, designed for the transportation of oil, gas, water, and various other fluids in pipelines across different industries. These pipes are known for their robustness and reliability, conforming to stringent standards to ensure safe and efficient fluid transport. Size and Wall Thickness: API 5L X46 PSL2 pipes are available in a size range spanning from 1/2" to 48" (DN15 to DN1200) with wall thicknesses varying from 2.77 to 60.32 millimeters, making them suitable for a wide range of applications.
Grade and PSL Level: The pipes are designated as Grade X46 and fall under PSL2 (Product Specification Level 2), indicating a higher level of quality control and performance standards. This makes them suitable for critical applications where stringent mechanical and testing requirements are necessary. Manufacturing Process: API 5L X46 PSL2 pipes can be manufactured using either a seamless or welded process, depending on the specific requirements of the project. Seamless pipes are typically used for high-pressure applications, while welded pipes are suitable for less critical applications.
Specification | API 5L X46 PSL2 Pipe |
Size Range | 1/2" - 48" (DN15 - DN1200) |
Wall Thickness Range (mm) | 2.77 - 60.32 |
Grade | X46 |
PSL (Product Specification Level) | PSL2 |
Manufacturing Process | Seamless or Welded |
Surface Treatment | Bare, Oiled, Black Paint, Hot-Dipped Galvanized, 3PE Coating, FBE Coating, or as specified. |
Length | Random or Customized |
End Types | Plain End, Beveled End, Threaded, Coupling, or as specified. |
Chemical Composition (see table above) | - |
Mechanical Properties | Yield Strength: ≥ 320 MPa (46,400 psi), Tensile Strength: ≥ 435 MPa (63,100 psi) |
Impact Test Requirements | Charpy V-Notch testing at -29°C (-20°F) for longitudinal and transverse specimens. |
Hydrostatic Test | Required |
Non-destructive Testing (NDT) | Ultrasonic examination per API 5L and Radiographic examination for welded pipes. |
Certification | API 5L PSL2 |
Usage | Transport of oil, gas, water, and other fluids in pipelines for various industries. |
Surface Treatment: These pipes are available with various surface treatments, including bare, oiled, black paint, hot-dipped galvanized, 3PE coating (three-layer polyethylene), FBE coating (fusion-bonded epoxy), or as specified by the project requirements. The surface treatment helps protect the pipes from corrosion and environmental factors. Length and End Types: API 5L X46 PSL2 pipes come in random or customized lengths as needed for the project. They can have plain ends, beveled ends, threaded ends, coupling ends, or other end types as specified in the project requirements. Chemical Composition: The chemical composition of these pipes includes specific percentages of carbon, silicon, manganese, phosphorus, sulfur, chromium, nickel, molybdenum, titanium, vanadium, niobium, tantalum, aluminum, and nitrogen. These elements contribute to the pipes' mechanical properties and corrosion resistance.
Element | API 5L X46 PSL2 Pipe (%) |
Carbon (C) | 0.22 |
Silicon (Si) | 0.45 |
Manganese (Mn) | 1.40 |
Phosphorus (P) | 0.025 |
Sulfur (S) | 0.015 |
Chromium (Cr) | 0.25 |
Nickel (Ni) | 0.50 |
Copper (Cu) | 0.50 |
Molybdenum (Mo) | 0.15 |
Titanium (Ti) | 0.04 |
Vanadium (V) | 0.10 |
Niobium (Nb) + Tantalum (Ta) | 0.05 |
Aluminum (Al) | 0.05 |
Nitrogen (N) | 0.010 |
Mechanical Property | API 5L X46 PSL2 Pipe |
Yield Strength (min) | ≥ 320 MPa (46,400 psi) |
Tensile Strength (min) | ≥ 435 MPa (63,100 psi) |
Elongation (min) | 23% |
Impact Test Requirements | Charpy V-Notch testing at -29°C (-20°F) for longitudinal and transverse specimens. |
Hydrostatic Test Pressure | Required (varies depending on pipe size) |
Non-destructive Testing (NDT) | Ultrasonic examination per API 5L and Radiographic examination for welded pipes. |
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