ASTM A213/ASME SA213 T12 Seamless Alloy-Steel Boiler Pipes: Advanced Tubing for High-Temperature Applications
1. Product Description: ASTM A213/ASME SA213 T12 Seamless Alloy-Steel Boiler Pipes are high-quality tubes designed for use in boiler applications that require high strength and resistance to high temperatures. These pipes are manufactured from alloy steel that provides excellent creep resistance and ductility. The seamless construction ensures uniform wall thickness and superior structural integrity, making them ideal for critical boiler components.
2. Product Parameters:
| Parameter | Description |
| Grade | ASTM A213/ASME SA213 T12 |
| Material | Alloy Steel (Seamless) |
| Standard | ASTM A213, ASME SA213 |
| Size Range | Various diameters and wall thicknesses as per ASTM/ASME 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 | Typical Requirements |
| Tensile Strength | ≥415 MPa (60,000 psi) |
| Yield Strength | ≥205 MPa (30,000 psi) |
| Elongation | ≥30% in 50 mm (2 in) or 4D, whichever is greater |
| Hardness | Varies depending on heat treatment |
4. Chemical Composition:
| Element | Typical Range (%) |
| Carbon | ≤0.12 |
| Manganese | ≤0.50 |
| Phosphorus | ≤0.025 |
| Sulfur | ≤0.025 |
| Silicon | ≤0.50 |
| Chromium | 9.0 - 11.0 |
5. Product Applications:
- Boiler Tubes: Used for steam generation in high-pressure boilers.
- Superheater Tubes: Employed in superheater sections to raise steam temperature.
- Heat Exchangers: Suitable for use in heat exchangers operating under high pressure and temperature.
- Pressure Vessels: Ideal for construction of high-pressure vessels and reactors.
- Gas and Oil Industry: Utilized in pipelines and equipment for oil and natural gas transport where high-temperature resistance is required.
6. Product Advantages:
- Seamless Construction: Provides a consistent material structure and eliminates potential seam-related failures.
- High-Temperature Resistance: Alloy steel offers excellent resistance to high temperatures and thermal cycling.
- Creep Resistance: Designed to resist deformation under prolonged exposure to heat, which is critical in boiler applications.
- Corrosion Resistance: The alloy content enhances the pipes' resistance to corrosion and oxidation.
- Long Service Life: Built to last with minimal maintenance in harsh environments.
7. Conclusion: ASTM A213/ASME SA213 T12 Seamless Alloy-Steel Boiler Pipes are engineered to deliver reliable performance in high-temperature and high-pressure environments. Their seamless design and alloy composition ensure a combination of strength, ductility, and corrosion resistance that is necessary for demanding applications in the power generation and petrochemical industries. These pipes offer a durable and cost-effective solution for maintaining efficiency and safety in thermal applications.
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