API 5L Line Pipe Dimensions
Sep 07, 2023
| API 5L Pipe Specification | API 5L / ISO 3183 Hot Rolled. |
| Grades | L320 PSL1, PSL 2, L360 PSL1, PSL 2, L390 PSL1, PSL 2, L415 PSL1, PSL 2, L450 PSL1, PSL 2, L485 PSL1, PSL 2 , API 5L GRADE B PSL1, PSL 2 / API 5L X42 PSL1, PSL 2 / API 5L X46 PSL1, PSL 2 / API 5L X52 PSL1, PSL 2 / API 5L X56 PSL1, PSL 2 / API 5L X60 PSL1, PSL 2 / API 5L X65 PSL1, PSL 2 / X70 PSL1, PSL 2 / API 5L X70 PSL1 / PSL2 / API 5L X80 PSL1, PSL 2 / L245 PSL1, PSL 2, L290 PSL1, PSL 2 |
| Type | Seamless |
| Outer Diameter Size | 3/8" NB To 30" NB (Nominal Bore Size) |
| Wall Thickness | Schedule 20 To Schedule XXS (Heavier On Request) Up to 250 mm Thickness |
| Length | 5 To 7 Meters, 09 To 13 Meters, Single Random Length, Double Random Length And Customize Size. |
| Pipe Ends | Plain Ends / Beveled Ends / Coupling |
| Delivery Conditions | As Rolled, Normalizing Rolled, Thermomechanical Rolled / Formed, Normalizing Formed, Normalized and Tempered / Quenched and Tempered - BR / N / Q /T |
| Coating | Epoxy Coating / Colour Paint Coating / 3LPE Coating. |
| Other Testing | NACE MR0175, NACE TM0177, NACE TM0284, HIC TEST, SSC TEST, SWC, H2 SERVICE, IBR, Etc. |
| Pipe Dimension | All Pipes Is Manufactured and Inspected / Tested to the Relevant standards including ASTM, ASME, API. |
While there are different techniques used in the construction of API 5L pipes, they are broadly classified into welded and API 5L Seamless Line Pipe. In turn, API 5L Carbon Steel Seamless Pipes could be produced by either cold drawing or hot finishing. In a cold drawing process, the Api 5l seamless pipe is drawn or shaped at ambient temperature. Usually carbon steel API 5L Seamless Pipe produced using this method results in a much smoother surface finish with closer tolerances.
Nominal Pipe Size (NPS): API 5L Line Pipes are designated by their nominal pipe size, which is a numeric value that represents the approximate inside diameter of the pipe. Common NPS sizes for API 5L Line Pipes range from 1/8 inch (6 mm) to 48 inches (1,219 mm) or larger.
Outside Diameter (OD): The actual outer diameter of the pipe, which can vary depending on the manufacturing process (seamless or welded) and the specific API 5L grade. The outside diameter is an important factor in determining the pipe's compatibility with fittings, valves, and other components.
Wall Thickness (WT): The thickness of the pipe's wall, which can also vary depending on the manufacturing process and grade. The wall thickness is typically expressed in either millimeters (mm) or inches (inches) and is an important factor in determining the pipe's strength and capacity to withstand pressure.
Schedule: API 5L Line Pipes often come in various schedules, such as Schedule 10, Schedule 20, Schedule 40, Schedule 80, etc. The schedule number indicates the wall thickness of the pipe, with higher schedule numbers indicating thicker walls. Heavier schedules are typically used for higher-pressure applications.
Length: API 5L Line Pipes are commonly manufactured in standard lengths, typically ranging from 6 meters (20 feet) to 12 meters (40 feet). Longer or custom lengths may also be available upon request.
Tolerance: API 5L specifies allowable tolerances for dimensions such as outside diameter, wall thickness, and length to ensure the pipes meet the required standards. These tolerances are important for manufacturing and quality control purposes.
End Finishes: The ends of API 5L Line Pipes can have various finishes, including plain ends, beveled ends, or threaded ends, depending on the application and the need for connection to other components.
Weight per Unit Length: The weight of the pipe per unit length is an important consideration for transportation, handling, and installation. It is calculated based on the pipe's dimensions and material density.
Corrosion Protection: For specific applications, API 5L Line Pipes may have additional coatings or linings to protect against corrosion. These coatings can add to the overall dimensions of the pipe.
