Hastelloy X is a Nickel-Chromium-Iron-Molybdenum alloy
with an
exceptional combination of oxidation resistance, ease of
fabrication and
high temperature strength. It has also been found to be
exceptionally
resistant to stress corrosion cracking in petrochemical
applications.
Applications include:
- Gas Turbine Engine
- Industrial Furnace
- Chemical Processing
- Petrochemical Industry
| Approximate Chemical Composition | |
| Ni | 47% |
| Cr | 22% |
| Fe | 18% |
| Mo | 9% |
| Co | 1.5% |
| DENSITY | 8.22 g/cm3 | 0.297 lb/in3 |
| MELTING POINT | 1355oC | 2470oF |
| COEFFICIENT OF EXPANSION | 13.9 µm/m °C ( 20 - 100°C) |
7.7 x 10-6 in/in
°F ( 70 - 212°F) |
| MODULUS OF RIGIDITY | 77.6 kN/m2 | 11255 ksi |
| MODULUS OF ELASTICITY | 205 kN/m2 | 29733 ksi |
| CONDITION OF SUPPLY | HEAT TREATMENT (AFTER FORMING) |
| Annealed/Spring Temper | Stress relieve at 400oC - 500oC (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 | 1350-1550 N/mm2 | 196-225 ksi | -200o to +400oC | -330o to +750oF | ||
| STANDARDS | |
| AMS 5798 | ASTM B619 |
