Hastelloy C-276• • Trade name of Haynes International
W.NR 2.4819
UNS N10276
AWS 054
UNS N10276
AWS 054
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.
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% |
| 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 400oC - 450oC (750oF - 840oF) for 2 hours and air cool. |
| CONDITION |
APPROX TENSILE STRENGTH |
APPROX SERVICE TEMPERATURE |
||||
| Annealed | 850-1050 N/mm2 | 123-152 ksi | -200o to +400oC | -330o to +750oF | ||
| Spring Temper | 1300-1600 N/mm2 | 189-232 ksi | -200o to +400oC | -330o to +750oF | ||
| STANDARDS | |
| ASTM B619 | ASTM B574 |
