API 5L X42 and X52 line pipes are widely recognized for their high strength, durability, and suitability for the transportation of oil, gas, and other fluids in demanding environments. These pipes are manufactured as per the American Petroleum Institute (API) 5L specification, which ensures consistent quality and performance. Riyaarth Overseas offers premium-grade API 5L X42/X52 line pipes designed to meet the rigorous demands of the petroleum, natural gas, and petrochemical industries.
Key Features of API 5L X42/X52 Line Pipes
Seamless and Welded Construction:
- Available in both seamless and welded forms, ensuring flexibility for various applications.
- Seamless pipes eliminate weak points, making them ideal for high-pressure environments.
High Strength and Durability:
- API 5L X42 offers a minimum yield strength of 42,000 psi (290 MPa), while X52 provides a minimum yield strength of 52,000 psi (360 MPa).
- Both grades exhibit excellent tensile strength, with X42 at 60,000 psi (415 MPa) and X52 at 66,000 psi (455 MPa).
Corrosion Resistance:
- Designed to withstand harsh environments, including exposure to corrosive fluids and gases.
- Compatible with external coatings like Fusion Bonded Epoxy (FBE) and 3LPE for enhanced protection.
Versatile Applications:
- Suitable for pipelines transporting oil, gas, water, and other fluids.
- Widely used in industries such as oil refineries, petrochemicals, power generation, and offshore drilling.
Chemical Composition
Element |
X42 (% max) |
X52 (% max) |
Carbon (C) |
0.28 |
0.28 |
Manganese (Mn) |
1.30 |
1.40 |
Phosphorus (P) |
0.030 |
0.030 |
Sulfur (S) |
0.030 |
0.030 |
V+Nb+Ti |
– |
≤ 0.15 |
Mechanical Properties
Property |
X42 |
X52 |
Yield Strength |
Min 42,000 psi (290 MPa) |
Min 52,000 psi (360 MPa) |
Tensile Strength |
Min 60,000 psi (415 MPa) |
Min 66,000 psi (455 MPa) |
Elongation |
Varies by wall thickness |
Varies by wall thickness |
Manufacturing Process
API 5L X42/X52 line pipes are manufactured using advanced techniques to ensure superior quality:
- Steel Preparation: High-grade raw materials are melted using basic oxygen or electric furnace processes.
- Hot Rolling: Billets or plates are heated and shaped into pipes.
- Cold Drawing (if required): Achieves precise dimensions and enhances mechanical properties.
- Heat Treatment: Improves ductility and toughness.
- Testing & Inspection: Ensures compliance with API standards.
Common Applications
Oil & Gas Industry:
- Used in pipelines for transporting crude oil, natural gas, and refined products efficiently. They provide excellent resistance to corrosion, ensuring long-term reliability.
- Essential for offshore platforms, offering high strength and corrosion resistance. Their durability makes them ideal for deep-sea drilling and extreme environments.
Petrochemical Facilities:
- Ideal for conveying chemicals under extreme pressure and temperature conditions. Their resistance to harsh chemicals helps maintain operational efficiency.
- Ensures durability and safety in aggressive industrial environments. They minimize the risk of leaks, protecting both workers and equipment.
Power Plants:
- Suitable for steam pipelines and cooling water systems in thermal power plants. Their high thermal conductivity allows efficient heat transfer with minimal energy loss.
- Used in nuclear power plants for its superior resistance to heat and radiation. Their mechanical strength supports high-pressure steam applications without failure.
Construction & Infrastructure:
- Utilized in structural applications like piling and supports for heavy loads. Their excellent load-bearing capacity helps maintain the integrity of bridges and buildings.
- Provides long-term durability and reliability in harsh environmental conditions. These pipes withstand extreme weather, making them ideal for urban and coastal structures.
Available Sizes and Dimensions
API 5L X42/X52 line pipes are available in a wide range of sizes:
Pipe Size (NPS) | Wall Thickness (Sch STD) | Wall Thickness (Sch XS) |
1/2″ | 0.083″ | 0.109″ |
1″ | 0.109″ | 0.147″ |
2″ | 0.154″ | 0.218″ |
Custom Sizes | Available on request | Available on request |
Testing and Quality Standards
To ensure reliability in critical applications:
- Hydrostatic Testing: Verifies pressure-handling capabilities.
- Non-Destructive Testing (NDT): Includes ultrasonic or radiographic inspections.
- Chemical Analysis: Confirms material composition compliance.
- Mechanical Testing: Evaluates tensile strength, hardness, and impact resistance.
Surface Finish and Coatings
To enhance durability:
- Standard finishes include black paint or varnish coatings.
- Optional coatings like Fusion Bonded Epoxy (FBE), Three-Layer Polyethylene (3LPE), or Polypropylene (3LPP) for added corrosion resistance.
Quality Assurance & Packaging
Riyaarth Overseas ensures strict adherence to international standards:
- Certifications: Compliant with API Spec 5L PSL1/PSL2 and ISO standards.
- Packaging: Pipes are securely packed with protective materials to prevent damage during transit.
Looking for reliable API 5L X42/X52 line pipes? Contact Riyaarth Overseas today for high-quality piping solutions tailored to your industry needs! Fill out our inquiry form or call us now!
FAQ's
The main difference lies in their strength; X42 has a minimum yield strength of 42,000 psi, while X52 offers 52,000 psi, making it suitable for higher-pressure applications.
Yes, these pipes are highly resistant to corrosion and can be coated with Fusion Bonded Epoxy (FBE) or 3LPE for enhanced protection in harsh environments.
These pipes are widely used in oil and gas transmission, petrochemical facilities, power plants, and offshore drilling due to their strength and durability.
Products
Industry We Serve
- Oil & Gas industries
- Chemical process industries
- Pump and valve in high pressure component
- Food industries
- Pulp and paper industry
- Aerospace industry
- Power plant
- Mechanical component
- Sugar industry
- Cement industry