X52 PSL2 steel pipe belongs to the PSL2 grade pipeline steel in the API 5L standard. The "X52" in its name represents a minimum yield strength of 52,000 psi (approximately 358 MPa). According to the dual certification requirements of GB/T9711-2017 and API 5L, its chemical composition must be precisely controlled, with carbon equivalent (Ceq ≤ 0.43%), and sulfur and phosphorus contents limited to below 0.015% and 0.025% respectively, ensuring that it maintains a Charpy impact energy of over 27 J even at -20℃.
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Product Dimensions & Size Specifications Of API 5L X52 PSL2 Oil and gas transmission pipe
| Outside Diameter (OD) | Wall Thickness (WT) | Length | Production Type |
| 2" – 24" | SCH 20 – SCH XXS | 6m, 12m, DRL | Seamless (SMLS) |
| 18" – 56" | 6.35mm – 50.0mm | 11.8m – 12m | LSAW (Longitudinal) |
| 8" – 24" | 4.0mm – 15.0mm | Up to 12.5m | ERW (Welded) |
| 24" – 100" | 6.0mm – 30.0mm | Up to 18m | SSAW (Spiral) |
Technical Parameters: X52 PSL2 Carbon Steel Line Pipe
| Property | X52 PSL2 (L360) Requirement |
| Yield Strength (min) | 360 MPa (52,200 psi) |
| Tensile Strength (min) | 460 MPa (66,700 psi) |
| Carbon Equivalent (CEq) | ≤ 0.43 (For excellent field welding) |
| Impact Testing (CVN) | Mandatory (Typical 27J at 0°C or -20°C) |
| Yield-to-Tensile Ratio | ≤ 0.93 |
Critical Comparison: PSL1 vs. PSL2 Oil and gas pipe lines
| Feature | PSL1 | PSL2 |
| Impact Testing | Not Required | Mandatory (Ensures crack resistance) |
| Weldability (CEq) | Not Required | Mandatory (Better field efficiency) |
| Traceability | Limited | Full Traceability (From heat to pipe) |
| Non-Destructive (NDT) | Basic | 100% Comprehensive UT/RT |
| Chemical Limits | Less Strict | Stricter (Carbon/Manganese limits) |
Test and Inspection of API 5L X52 PSL2 line pipe
Don't Risk Project Failure! Our PSL2 pipes undergo 100% ultrasonic testing and Charpy V-notch impact tests. Ensure your pipeline stands the test of time. [Download Our PSL2 Compliance Checklist]
Surface Treatment Solutions Of API 5L X52 Line Pipes for oil & gas
3PE (Three-Layer Polyethylene): The most popular choice for buried pipelines, providing 50+ years of corrosion protection.
FBE (Fusion Bonded Epoxy): Excellent for preventing corrosion and chemical damage in standard environments.
Internal Lining (Liquid Epoxy): Smoothens the inner surface to reduce friction and increase flow efficiency.
Black Varnish/Anti-Rust Oil: Cost-effective temporary protection for storage and sea transit.
Packaging & Global Shipping Solutions of API 5L X52 High Yield Carbon Steel Pipes
Packaging:
Bundled for small OD pipes; loose with end protectors for large OD pipes.
Beveled End Protection: Heavy-duty plastic caps or metallic protectors to prevent thread/end damage.
Shipping Modes:
Breakbulk: Best for large project orders and oversized pipes.
Container (20ft/40ft): Optimized for standard lengths to minimize freight costs.
Logistics Expertise: Frequent routes to Santos (Brazil), Buenos Aires (Argentina), Callao (Peru), and Valparaiso (Chile).
FAQ
What is the pressure rating of API 5L X52 pipe?
API 5L is suitable for conveying gas, water, and oil. Size range is limited only by manufacturer's capabilities. Grade X52 indicates 52000 PSI minimum yield strength and 66000 PSI minimum ultimate tensile strength.
What is the difference between API 5L X42 and X52?
API 5L X42 is the most commonly used carbon steel pipe grade in fabrication, processing and construction applications. API 5L X52 steel is a steel grade commonly used in the petroleum industry, it is a higher strength steel grade than X42 and is often used in high pressure applications.
What does X52 pipe mean?
X52 pipe is a type of API 5L steel pipe that is commonly used in the oil and gas industry. The designation "X52" indicates the pipe's minimum yield strength, which is 52,000 psi (pounds per square inch).
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