ASTM A213 TP310S Austenitic Stainless Steel Seamless Tube High Temperature & Corrosion Resistant for Boiler and Furnace
ASTM A213 TP310S Austenitic Stainless Steel Seamless Tube High Temperature & Corrosion Resistant for Boiler and Furnace
With 35 years of industrial expertise and a global presence across 85 countries, YUHONG Group specialises in manufacturing high-performance seamless stainless steel tubes for critical applications. Our ASTM A213 TP310S Austenitic Stainless Steel Seamless Tubes are engineered to withstand extreme temperatures and corrosive environments, making them ideal for boilers, furnaces, and other demanding thermal systems. We combine advanced metallurgy with stringent quality control to deliver reliable, certified products that meet international standards, ensuring long-term performance and safety for our clients worldwide
Chemical Composition of Grade TP310S (UNS S31008)
| Element | Requirement (%) |
| Grade | TP310S |
| UNS Designation | S31008 |
| Carbon (C), max | 0.08 |
| Manganese (Mn), max | 2 |
| Phosphorus (P), max | 0.045 |
| Sulfur (S), max | 0.03 |
| Silicon (Si), max | 1.5 |
| Chromium (Cr) | 24.0 - 26.0 |
| Nickel (Ni) | 19.0 - 22.0 |
Heat Treatment Specifications for Grade TP310S (UNS S31008)
| Parameter | Specification |
| Grade | TP310S |
| UNS Number | S31008 |
| Heat Treat Type | Solution Treatment |
| Solution Temperature, min | 1900 °F [1040 °C] |
| Cooling Media | Water or other rapid cool |
Tensile and Hardness Requirements for Grade TP310S (UNS S31008)
| Property | Requirement |
| Grade | TP310S |
| UNS Designation | S31008 |
| Tensile Strength, min | 75 ksi [515 MPa] |
| Yield Strength, min | 30 ksi [205 MPa] |
| Elongation in 2 in. or 50 mm, min | 35% |
| Brinell / Vickers Hardness, max | 192 HBW / 200 HV |
| Rockwell Hardness, max | 90 HRB |
The Advantages of Grade TP310S (UNS S31008)
- Excellent High-Temperature Strength & Oxidation Resistance: The TP310S (25Cr-20Ni) alloy composition provides exceptional resistance to oxidation, scaling, and carburization, ensuring reliable performance in furnace and boiler applications operating at sustained high temperatures.
- Superior Corrosion Resistance: Offers strong general corrosion resistance, making it suitable for various industrial atmospheres and certain chemical environments within its operational temperature range.
- Seamless Integrity for High-Pressure Service: The seamless construction eliminates weld seams, providing superior pressure-bearing capability, leak-proof reliability, and uniform strength—critical for safety in high-pressure boiler tubes and heat exchangers.
- Long Service Life and Reduced Maintenance: Its combination of heat and corrosion resistance minimises degradation, scaling, and the need for frequent replacements, resulting in lower lifecycle costs and less operational downtime.
- Proven Reliability in Critical Applications: Widely specified and trusted for essential components such as radiant tubes, superheaters, and reformer tubes, where material failure is not an option.
- Compliance with Stringent International Standards: Manufactured according to ASTM A213/ASME SA213, ensuring material quality, traceability, and performance consistency for global engineering and procurement projects.
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