Description
What is API 5l X42 Pipe?
API 5L X42 Pipe is a high-strength, seamless, and welded steel pipe used in pipeline transportation systems for the oil and natural gas industries. It meets the American Petroleum Institute (API) 5L specification and offers excellent mechanical properties, durability, and corrosion resistance. API 5L X42 PSL1 and API 5L X42M PSL2 variants are available at Emirerri Steel to meet different project requirements. The pipe is designed for high-pressure environments and is used in both onshore and offshore applications. It is commonly used in pipeline systems for oil refineries, gas processing plants, and industrial manufacturing facilities.
API 5L X42 pipes are known for their high reliability, ability to withstand extreme environmental conditions, and efficiency in long-distance fluid transportation. Whether in arid desert regions, frozen tundra, or deep-sea installations, these pipes maintain their structural integrity, making them a preferred choice.
API 5L X42 PSL1 & PSL2 Standard Description:
API 5L X42 PSL1 and API 5L X42 PSL2 are two different product specification levels, each designed for specific operational needs:
- API 5L X42 PSL1: This is the standard quality level, typically used for general pipeline transportation. It has less stringent testing requirements and lower mechanical property restrictions. PSL1 is commonly used in less critical environments where enhanced properties are not required. It is suitable for low-pressure applications and shorter pipeline routes.
- API 5L X42 PSL2: This grade offers enhanced mechanical properties, additional testing, and improved chemical composition controls. It is used in critical applications where high toughness, durability, and stringent quality control are required. PSL2 pipes must undergo Charpy impact testing, non-destructive inspection, and stricter chemical analysis. These pipes are ideal for extreme weather conditions, high-pressure environments, and long-distance fluid transportation.
API 5l specification:
- Standard: API 5L Specification
- Grade: API 5L X42 PSL1 / API 5L X42M PSL2
- Manufacturing Process:
- Seamless (SMLS): Produced by hot rolling and cold drawing processes for high-pressure applications.
- Electric Resistance Welded (ERW): Manufactured using electrical resistance heating for cost-effective applications.
- Longitudinal Submerged Arc Welded (LSAW): Used for larger diameter pipes requiring high strength.
- Spiral Submerged Arc Welded (SSAW): Manufactured for high-pressure transport applications.
- Nominal Pipe Size (NPS): 1/2″ to 48″
- Wall Thickness: Available in multiple schedules such as SCH 10, SCH 40, SCH 80, SCH 160, XS, and XXS, offering a range of thickness options for different pressure requirements.
- Length: Available in single random (4-7 meters), double random (7-13 meters), or custom cut lengths based on project specifications.
- Ends:
- Plain End (PE): Used for butt welding.
- Beveled End (BE): Facilitates easier welding installation.
- Threaded End (TE): Used in piping systems requiring quick assembly and disassembly.
- OD: Refers to the outside diameter of the pipe.
- Weight per foot: Calculated approximately based on steel density of 490 lbs/ft³.
API 5l X42 Pipe Dimensions
| NPS (inches) | OD (inches) | Wall Thickness (inches) | Weight per foot (lbs) |
|---|---|---|---|
| 3/8 | 0.675 | 0.091 | 0.57 |
| 1/2 | 0.840 | 0.109 | 0.85 |
| 3/4 | 1.050 | 0.113 | 1.13 |
| 1 | 1.315 | 0.133 | 1.68 |
| 1 1/4 | 1.660 | 0.140 | 2.27 |
| 1 1/2 | 1.900 | 0.145 | 2.72 |
| 2 | 2.375 | 0.154 | 3.65 |
| 2 1/2 | 2.875 | 0.203 | 5.79 |
| 3 | 3.500 | 0.216 | 7.58 |
| 3 1/2 | 4.000 | 0.226 | 9.10 |
| 4 | 4.500 | 0.237 | 10.79 |
| 5 | 5.563 | 0.258 | 14.62 |
| 6 | 6.625 | 0.280 | 18.99 |
| 8 | 8.625 | 0.322 | 28.55 |
| 10 | 10.750 | 0.365 | 40.48 |
| 12 | 12.750 | 0.406 | 53.52 |
| 14 | 14.000 | 0.438 | 63.28 |
| 16 | 16.000 | 0.500 | 84.36 |
| 18 | 18.000 | 0.562 | 107.36 |
| 20 | 20.000 | 0.593 | 127.95 |
| 22 | 22.000 | 0.625 | 148.36 |
| 24 | 24.000 | 0.688 | 179.46 |
| 26 | 26.000 | 0.750 | 213.72 |
| 28 | 28.000 | 0.812 | 251.24 |
| 30 | 30.000 | 0.875 | 291.76 |
API 5L X42 Chemical Composition
| Element | Maximum % |
|---|---|
| Carbon (C) | 0.26 |
| Manganese (Mn) | 1.2 |
| Phosphorus (P) | 0.03 |
| Sulfur (S) | 0.03 |
| Silicon (Si) | 0.45 |
| Nickel (Ni) | 0.4 |
| Chromium (Cr) | 0.3 |
| Copper (Cu) | 0.4 |
| Molybdenum (Mo) | 0.15 |
| Vanadium (V) | 0.08 |
| Niobium (Nb) | 0.05 |
| Titanium (Ti) | 0.04 |
API 5L X42 Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength (YS) | Minimum 42,000 psi (290 MPa) |
| Tensile Strength (TS) | Minimum 60,000 psi (415 MPa) |
| Elongation | 21% minimum in 2 inches (50 mm) |
| Charpy Impact Test | Varies by thickness and test temperature, typically around 27 J at 0°C |
| Hardness (Brinell) | Maximum 241 HBW |
| Modulus of Elasticity | 200 GPa (29,000 ksi) |
| Poisson's Ratio | 0.3 |
| Reduction of Area | 35% minimum |
| Fracture Toughness | High fracture toughness for use in high-pressure environments |
API 5L X42 Equivalent Material:
API 5L X42 Steel is equivalent to several international material standards such as:
- ASTM A106 Grade B: Seamless carbon steel pipe designed for high-temperature applications.
- ASTM A53 Grade B: Welded and seamless carbon steel pipe for general structural and pressure applications.
- EN 10208-2 L290NB: European standard for steel pipes used in pipeline systems.
- ISO 3183 L290: International standard equivalent to API 5L X42.
- DIN 17172 StE 290.7: German standard for steel pipes used in pressure applications.
Key Advantages of API 5L X42 Steel Pipe:
- High Strength and Durability: Ensures long-term performance in harsh environments.
- Excellent Corrosion and Abrasion Resistance: Protects against chemical and mechanical wear.
- Available in PSL1 & PSL2 for Different Project Requirements: Meets various operational needs.
- Cost-Effective Pipeline Solution: Provides an economical option for large-scale pipeline projects.
- API 5L X42 Tensile Strength and Yield Strength Ensure Reliability: Ensures structural integrity and operational safety.
- Wide Range of Manufacturing Methods: Available in seamless, ERW, LSAW, and SSAW variants to meet diverse application needs.
- Customizable Coatings: Offers multiple protective coatings to increase longevity.
- Compliance with Global Standards: Meets API, ASTM, and EN regulations.
Coating & Lining Options:
To enhance durability and resistance to environmental factors, API 5L X42 pipes can be coated or lined with the following options:
- 3LPE Coating: Three-layer polyethylene coating for superior external corrosion protection.
- Fusion Bonded Epoxy (FBE) Coating: Applied to prevent corrosion in high-temperature environments.
- Black Paint, Varnish Coating: Provides a protective layer against atmospheric corrosion.
- Anti-Rust Oil Coating: Used to prevent oxidation during transportation and storage.
- Internal Epoxy or Cement Lining: Provides additional protection against corrosive fluids in pipelines.
Applications of API 5L X42 Pipe:
API 5L X42 Pipes are widely used across various industries, including:
- Oil and Gas Transportation Pipelines: Used for the safe and efficient transport of crude oil, natural gas, and refined products.
- Water and Slurry Transmission Lines: Suitable for the movement of water, chemicals, and slurries in industrial applications.
- Structural and Engineering Applications: Used in bridges, buildings, and offshore structures.
- Offshore and Onshore Pipeline Systems: Preferred for both land-based and deep-sea pipeline networks.
- Piling and Construction: Utilized as foundation piles in high-load-bearing structures.
- Petrochemical and Refinery Plants: Essential for high-temperature and pressure applications.
- Power Plants: Used in cooling and steam transportation systems.
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