Description
Product Description API 5L X56 Pipe
API 5L X56 pipes are a type of steel pipe designed to meet the specifications outlined by the American Petroleum Institute (API). API 5L X56 pipes are known for their excellent mechanical properties, including strength, durability, and resistance to corrosion, which make them ideal for use in pipelines that require reliable performance under extreme conditions. The “X56” designation refers to the yield strength of the pipe, which is 56,000 psi (pounds per square inch). This grade of pipe is stronger than lower-grade pipes such as API 5L X42 or X46, making it suitable for applications where higher strength is needed to withstand the pressures of modern pipeline systems. The API 5L X56 pipes can be used in both onshore and offshore pipeline systems, as well as in transportation of fluids at varying temperatures and pressures.
Manufactured using high-quality carbon steel, API 5L X56 pipes offer exceptional weldability, making them suitable for a variety of installation techniques. The pipes can be fabricated in different sizes, wall thicknesses, and lengths to meet specific project requirements. These pipes are often coated with anti-corrosive materials to provide additional protection in harsh environmental conditions.
In addition to their mechanical properties, API 5L X56 pipe meet stringent quality control standards to ensure safety and reliability in critical pipeline systems. Whether used in the oil, gas, or petrochemical industries, API 5L X56 pipes play a vital role in ensuring the efficient and secure transport of essential materials.
API 5L X56 Pipe Dimensions
NPS (inches) | OD (inches) | Wall Thickness (inches) | Weight per foot (lbs) | Manufacturing Process |
1/2 | 0.840 | 0.109 | 0.85 | Seamless, ERW |
3/4 | 1.050 | 0.113 | 1.13 | Seamless, ERW |
1 | 1.315 | 0.133 | 1.68 | Seamless, ERW |
1 1/4 | 1.660 | 0.140 | 2.27 | Seamless |
1 1/2 | 1.900 | 0.145 | 2.72 | Seamless |
2 | 2.375 | 0.154 | 3.65 | Seamless, ERW |
2 1/2 | 2.875 | 0.203 | 5.79 | Seamless |
3 | 3.500 | 0.216 | 7.58 | Seamless |
4 | 4.500 | 0.237 | 10.79 | Seamless, ERW |
6 | 6.625 | 0.280 | 18.99 | Seamless, ERW |
8 | 8.625 | 0.322 | 28.55 | Seamless, ERW |
10 | 10.750 | 0.365 | 40.48 | Seamless, ERW |
12 | 12.750 | 0.406 | 53.52 | Seamless |
16 | 16.000 | 0.500 | 84.36 | Seamless, ERW, LSAW, SSAW |
18 | 18.000 | 0.562 | 107.36 | LSAW, SSAW |
20 | 20.000 | 0.593 | 127.95 | Seamless, ERW, LSAW, SSAW |
24 | 24.000 | 0.688 | 179.46 | Seamless, LSAW, SSAW |
30 | 30.000 | 0.875 | 291.76 | LSAW, SSAW |
36 | 36.000 | 1.000 | 436.91 | LSAW, SSAW |
42 | 42.000 | 1.188 | 594.18 | LSAW, SSAW |
48 | 48.000 | 1.250 | 754.82 | Seamless, LSAW, SSAW |
60 | 60.000 | 1.500 | 1224.60 | LSAW, SSAW |
72 | 72.000 | 1.625 | 1648.80 | LSAW, SSAW |
100 | 100.000 | 2.000 | 3270.00 | LSAW, SSAW |
Notes:
- OD (Outside Diameter): Measured across the outer edge of the pipe.
- Wall Thickness: Standard thickness values suitable for X56 grade.
- Weight per foot: Approximate values calculated based on a steel density of 490 lbs/ft³.
- Manufacturing Processes:
- Seamless: High-pressure applications.
- ERW (Electric Resistance Welded): Medium-pressure pipelines.
- LSAW (Longitudinal Submerged Arc Welded): Large diameter, heavy-duty pipelines.
- SSAW (Spiral Submerged Arc Welded): Ideal for large diameters and long-distance pipelines.
X56 Chemical Composition
Element | Maximum % |
Carbon (C) | 0.26 |
Manganese (Mn) | 1.40 |
Phosphorus (P) | 0.030 |
Sulfur (S) | 0.030 |
Silicon (Si) | 0.45 |
Nickel (Ni) | 0.40 |
Chromium (Cr) | 0.40 |
Copper (Cu) | 0.50 |
Molybdenum (Mo) | 0.10 |
Vanadium (V) | 0.10 |
API 5L X56 Mechanical Properties
Property | API 5L Grade B | API 5L X56 |
Yield Strength | ≥ 245 MPa (35,500 psi) | ≥ 386 MPa (56,000 psi) |
Tensile Strength | ≥ 415 MPa (60,200 psi) | ≥ 490 MPa (71,100 psi) |
Elongation | ≥ 23% | ≥ 22% |
Hardness (max.) | 72 HRB | 74 HRB |
Impact Test (J) | Minimum average of 27 J | Minimum average of 42 J |
Conclusion
API 5L Grade B X56 is a robust and reliable steel pipe that meets the rigorous demands of the oil and gas industry. Its blend of strength, durability, and compliance with international standards makes it well-suited for pipeline construction and other critical applications.
Reviews
There are no reviews yet.