Seamless Carbon Steel Tubes ASTM A106/ASME SA106 and ASTM A53 Grade B
1. Product Description: ASTM A106/ASME SA106 and ASTM A53 Grade B Seamless Carbon Steel Tubes are premium-quality steel tubes engineered for high-temperature applications and general-purpose usage, respectively. These tubes are manufactured from carbon steel and are seamless, ensuring a uniform wall thickness and superior structural integrity. They are widely recognized for their strength, durability, and resistance to various service conditions.
2. Product Parameters:
Parameter | Description |
Grades | ASTM A106/ASME SA106 (for high-temperature service), ASTM A53 Grade B (for general service) |
Material | Seamless Carbon Steel |
Standard | ASTM A106, ASME SA106, ASTM A53 |
Size Range | Various diameters and wall thicknesses as per ASTM standards |
Length | Standard lengths, customizable upon request |
Ends | Plain ends, beveled ends, threaded, or socket-weld ends |
Surface Treatment | As-rolled, annealed, or normalized |
3. Mechanical Properties:
Property | ASTM A106/ASME SA106 Requirement | ASTM A53 Grade B Requirement |
Tensile Strength | ≥415 MPa (60,000 psi) | ≥415 MPa (60,000 psi) |
Yield Strength | ≥240 MPa (35,000 psi) | ≥310 MPa (45,000 psi) |
Elongation | ≥20% in 50 mm (2 in) | ≥20% in 50 mm (2 in) |
Hardness | Varies depending on heat treatment | Varies depending on heat treatment |
4. Chemical Composition:
Element | ASTM A106/ASME SA106 Range (%) | ASTM A53 Grade B Range (%) |
Carbon | 0.29 - 0.36 | 0.29 - 0.33 |
Manganese | 0.35 - 0.60 | 0.35 - 0.60 |
Phosphorus | ≤ 0.025 | ≤ 0.025 |
Sulfur | ≤ 0.025 | ≤ 0.025 |
Silicon | ≤ 0.35 | ≤ 0.35 |
5. Product Uses:
- Oil and Gas Industry: Used for transporting oil, natural gas, and other fluids.
- Boiler and Superheater Tubes: Suitable for high-temperature applications in boilers.
- Structural and Mechanical Components: Employed in various structural and mechanical components due to their strength.
- Piping Systems: Ideal for use in industrial piping systems for water, steam, and other fluids.
- Pressure Vessels: Utilized in the construction of pressure vessels and heat exchangers.
6. Product Grade Standards:
- ASTM A106/ASME SA106: These grades are specified for seamless carbon steel tubes suitable for high-temperature service.
- ASTM A53 Grade B: This grade is intended for general-purpose applications where regular strength and good ductility are required.
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