Hastelloy C-276* Specification
*Trade name of
Haynes International
- W.NR 2.4819
- UNS N10276
- AWS 054
Applicable Standards:
- ASTM B619
- ASTM B574
- NACE MR0175 / ISO 15156-3
This Nickel-Molybdenum-Chromium alloy with the addition of Tungsten, has excellent corrosion resistance in a wide range of corrosive media and is especially resistant to pitting and crevice corrosion.
| Good Mechanical Properties at Elevated Temperatures | No |
| Corrosion Resistant at Ambient Temperatures | Yes |
| Corrosion Resistant & Good Mechanical Properties at Elevated Temperatures | No |
| Oxidation Resistant | No |
| Precipitation Hardenable | No |
Applications include:
- Pollution control
- Chemical processing
- Waste treatment
- Marine engineering
- Pulp and paper production
| Approximate Chemical Composition | |
| Ni | 55% |
| Mo | 15 - 17% |
| Cr | 14.5 - 16.5% |
| Fe | 4 - 7% |
| W | 3 - 4.5% |
| Properties | ||
| DENSITY | 8.89 g/cm3 | 0.321 lb/in3 |
| MELTING POINT | 1370oC | 2500oF |
| COEFFICIENT OF EXPANSION | 11.2 µm/m °C (20 - 100°C) |
6.2 x 10-6 in/in
°F (70 - 212°F) |
| MODULUS OF RIGIDITY | 78.6 kN/mm2 | 11400 ksi |
| MODULUS OF ELASTICITY | 205.5 kN/mm2 | 29806 ksi |
| CONDITION OF SUPPLY | HEAT TREATMENT (AFTER FORMING) |
| Annealed/Spring Temper | Stress relieve at 400 - 450oC (750 - 840oF) for 2 hours and air cool. |
| CONDITION | APPROX TENSILE STRENGTH | APPROX SERVICE TEMPERATURE | ||
| Annealed | 850 - 1050 N/mm2 | 123 - 152 ksi | -200 to +400oC | -330 to +750oF |
| Spring Temper | 1300 - 1600 N/mm2 | 189 - 232 ksi | -200 to +400oC | -330 to +750oF |
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