ASTM A312 TP310HCB Stainless Steel Seamless Pipe For Heat Exchangers
ASTM A312 TP310HCB Stainless Steel Seamless Pipes, also known as UNS S31041 Pipes, are engineered for high-temperature applications and heat exchangers. These pipes offer exceptional resistance to hot corrosion while maintaining strength and toughness even at cryogenic temperatures.
- Excellent resistance to hot corrosion and oxidation up to 2000°F
- Superior strength and toughness at cryogenic temperatures
- Rapid work hardening compared to carbon steel
- Enhanced durability in high-temperature industrial environments
Widely used in pressure tanks, boilers, superheaters, heat exchangers, and various high-temperature corrosive industrial environments.
| A312 Grades | UNS | C | Mn | P | S | Si | Cr | Ni | Mo | Nb |
|---|---|---|---|---|---|---|---|---|---|---|
| TP310HCb | S31041 | 0.04-0.10 | 2.00 max | 0.045 max | 0.03 max | 1.00 max | 24.0-26.0 | 19.0-22.0 | 0.75 max | 10xC min |
| Tensile Strength | Yield Strength | Elongation % | Hardness |
|---|---|---|---|
| 75,000 psi (515 MPa) | 30,000 psi (205 MPa) | 40 min | 95 max |
| Grade | Density (kg/m³) | Elastic Modulus (GPa) | Thermal Expansion (m/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat (J/kg.K) | Electrical Resistivity (n.m) |
|---|---|---|---|---|---|---|
| 310HCB | 7750 | 200 | 15.9 (0-100°C) | 14.2 (at 100°C) | 500 | 720 |
ASTM A312 seamless pipes are manufactured from stainless steel billet through hot rolling or cold drawing processes without any welding. This results in superior pressure resistance and is finished with annealing solution and pickling for optimal performance in high-temperature and corrosive environments.
- Stable Passivation Film: Chromium content forms a protective oxide film (above 1nm thickness) that enhances chemical stability and corrosion resistance
- Single Solid Solution Structure: Solution treatment creates uniform austenitic structure for maximum corrosion resistance
- Enhanced Electrode Potential: Improved resistance to various media types, concentrations, and environmental conditions
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