ASTM A213/ASME SA213 Seamless Steel Tubes for High Pressure Boilers
1. Product Description: ASTM A213/ASME SA213 Seamless Steel Tubes are precision-engineered tubes designed specifically for high pressure boiler applications. These tubes are manufactured from high-quality alloy steel, ensuring seamless construction that provides uniform wall thickness and exceptional structural integrity. The seamless tubes offer superior performance in terms of pressure resistance and heat transfer efficiency.
2. Product Features:
- Seamless Construction: Ensures no weak points and enhances overall strength.
- High Alloy Content: Provides excellent creep resistance and heat resistance.
- Dimensional Accuracy: Meets stringent dimensional and geometrical standards.
- Quality Assurance: Undergoes rigorous testing to ensure compliance with ASTM and ASME standards.
3. Product Parameters:
| Parameter | Description |
| Standard | ASTM A213/ASME SA213 |
| Material | Alloy Steel (Seamless) |
| Grade | T11, T12, T22, T23, T91, T92, and others depending on specific requirements |
| 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 |
4. Mechanical Properties:
| Property | Typical Requirements |
| Tensile Strength | Varies by grade, e.g., T11: ≥415 MPa (60,000 psi) |
| Yield Strength | Varies by grade, e.g., T11: ≥205 MPa (30,000 psi) |
| Elongation | Typically ≥20% in 50 mm (2 in) or 4D, whichever is greater |
| Hardness | Varies depending on heat treatment |
5. Chemical Composition:
| Element | Typical Range (%) by Grade (Example: T11) |
| Carbon | 0.05 - 0.15 |
| Chromium | 0.40 - 0.70 |
| Molybdenum | 0.40 - 0.60 |
| Manganese | ≤0.50 |
| Phosphorus | ≤0.025 |
| Sulfur | ≤0.025 |
6. Product Applications:
- High Pressure Boilers: Designed for use in high pressure and high temperature boiler systems.
- Superheater and Reheater Tubes: Utilized in superheater and reheater sections of power plants.
- Heat Exchangers: Suitable for various heat exchanger applications in the petrochemical and refining industries.
- Pressure Vessels: Ideal for construction of high-pressure vessels and reactors.
7. Conclusion: ASTM A213/ASME SA213 Seamless Steel Tubes for High Pressure Boilers are engineered to meet the rigorous demands of high-pressure boiler systems. Their seamless design, alloy composition, and adherence to ASTM and ASME standards ensure that these tubes provide a reliable and durable solution for critical applications in the power generation and petrochemical industries.
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