YUHONG HOLDING GROUP CO., LTD
YUHONG HOLDING GROUP CO., LTD
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ASTM A213 TP304 Stainless Steel Seamless Tube For Heat Exchanger and Condenser
ASTM A213 TP304 Stainless Steel Seamless Tube refers to a high-quality seamless tube made of stainless steel grade TP304, manufactured in accordance with the standards set by the American Society for Testing and Materials (ASTM). The "A213" specification covers seamless ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes.
Let's break down the specifications:
1. Chemical Composition of ASTM A213 TP304 (Weight %)
| Element | Composition (%) |
| Carbon (C) | ≤ 0.08 |
| Manganese (Mn) | ≤ 2.0 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.03 |
| Silicon (Si) | ≤ 1.0 |
| Chromium (Cr) | 18.0 – 20.0 |
| Nickel (Ni) | 8.0 – 10.5 |
| Nitrogen (N) | ≤ 0.10 |
| Iron (Fe) | Balance |
*(Per ASTM A213 / ASME SA213 Standard)*
2. Mechanical Properties of ASTM A213 TP304
| Property | Value (Metric) | Value (Imperial) |
| Tensile Strength (min) | ≥ 515 MPa | ≥ 75,000 psi |
| Yield Strength (min) | ≥ 205 MPa | ≥ 30,000 psi |
| Elongation (min, in 2") | ≥ 35% | ≥ 35% |
| Hardness (max) | 90 HRB | 90 HRB |
(Typical values at room temperature; may vary slightly based on heat treatment.)
Additional Notes:
Equivalent Grades:
3. Manufacturing Process:
Seamless (SMLS): Produced via extrusion or piercing, ensuring no welded seams, making it ideal for high-pressure applications.
4. Standards & Specifications:
ASTM A213: Covers seamless ferritic and austenitic steel tubes for heat exchangers.
Other equivalent standards:
5. Why Choose ASTM A213 TP304 Seamless Tubes?
✅ Corrosion Resistance – Excellent against acids, chlorides, and oxidation.
✅ High-Temperature Strength – Performs well up to 925°C (1700°F).
✅ Seamless Construction – No welds, ensuring leak-proof performance under pressure.
✅ Hygienic & Easy to Clean – Ideal for food, pharma, and sanitary applications.
In summary, ASTM A213 TP304 Stainless Steel Seamless Tube is a high-quality, corrosion-resistant tube that is suitable for use in boiler, superheater, and heat-exchanger applications, as well as other scenarios that require a robust material that can handle high temperatures and pressures.
Applications of ASTM A213 TP304 Seamless Tubes
ASTM A213 TP304 seamless stainless steel tubes are widely used in industries requiring high corrosion resistance, heat resistance, and pressure integrity. Key applications include:
1. Power Generation & Boilers
2. Oil & Gas Industry
3. Chemical & Petrochemical Processing
4. Food & Beverage Industry
5. Pharmaceutical Industry
6. Automotive & Aerospace
7. HVAC & Refrigeration
