American Standard Seamless Carbon Steel Pipe Tube API 5L ASTM A106 Sch40 and 42CrMo
1. Product Description: American Standard Seamless Carbon Steel Pipe Tubes API 5L ASTM A106 Grade B are designed for line pipe applications in the oil and gas industry. These pipes are manufactured to meet the stringent requirements of both API (American Petroleum Institute) 5L and ASTM A106 standards, ensuring high-quality steel with specific mechanical properties suitable for high-pressure service. The 42CrMo alloy steel, known for its high strength and toughness, is also mentioned as a material that can be used for similar applications, although it is not directly specified in ASTM A106.
2. Product Parameters:
Parameter | Description |
Grades | API 5L Grade B, ASTM A106 Grade B (with a note on 42CrMo) |
Material | Seamless Carbon Steel (42CrMo as a special alloy steel) |
Standard | API 5L, ASTM A106 |
Schedule | Sch40 |
Size Range | Various diameters as per API 5L |
Length | Standard pipe lengths, customizable upon request |
Ends | Plain ends, beveled ends, threaded, or socket-weld ends |
Surface Treatment | As-rolled, annealed, or normalized |
3. Product Advantages:
- Seamless Construction: Provides uniform wall thickness and enhanced resistance to pressure.
- High-Strength Alloy: The 42CrMo alloy offers superior strength and wear resistance.
- Reliability: Manufactured to meet API and ASTM standards for consistent quality.
- Long Service Life: Built to last with minimal maintenance in demanding conditions.
- Corrosion Resistance: Offers resistance to various environmental conditions.
4. Mechanical Properties:
Property | API 5L Grade B Requirement | 42CrMo Typical Properties |
Tensile Strength | ≥415 MPa (60,000 psi) | ≥930 MPa (135,000 psi) |
Yield Strength | ≥240 MPa (35,000 psi) | ≥785 MPa (115,000 psi) |
Elongation | ≥20% in 50 mm (2 in) | ≥12% in 50 mm (2 in) |
Hardness | Varies depending on heat treatment | Typically 200-250 HB |
5. Chemical Composition:
Element | ASTM A106 Grade B Range (%) | 42CrMo Range (%) |
Carbon | 0.29 - 0.36 | 0.38 - 0.45 |
Manganese | 0.35 - 0.60 | 0.50 - 0.80 |
Phosphorus | ≤ 0.025 | ≤ 0.025 |
Sulfur | ≤ 0.025 | ≤ 0.025 |
Silicon | ≤ 0.35 | ≤ 0.40 |
Chromium | - | 0.90 - 1.20 |
Molybdenum | - | 0.15 - 0.25 |
6. Product Uses:
- Oil and Gas Industry: For transporting oil, natural gas, and other petroleum products.
- Water and Sewage Systems: Used in the construction of pipelines for water and sewage.
- Structural Applications: Employed as structural components in various construction projects.
- Chemical and Pharmaceutical Industries: Suitable for transporting chemicals and pharmaceutical products.
7. Executing Standards:
- API 5L: The pipes are manufactured in compliance with API 5L, which specifies the requirements for line pipe used to convey petroleum and other liquids.
- ASTM A106: This standard covers seamless carbon steel pipes for high-temperature service.
Conclusion: American Standard Seamless Carbon Steel Pipe Tubes API 5L ASTM A106 Sch40 and the high-strength 42CrMo alloy steel offer a reliable solution for various industrial applications. Their seamless construction and adherence to API 5L and ASTM A106 ensure quality and performance, providing a cost-effective and durable option for industries such as oil and gas, construction, and chemical processing.
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