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.
Hastelloy X is also known as Inconel HX, Nicrofer 4722 Co, and Pyromet 680.
| Chemical Composition | Specifications | Designations | Key Features | Typical Applications | |||||||||||||||||||||||||||||||||||||||
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AMS 5754 AMS 5798 ASTM B619 GE B50A463 GE B50A655 ISO 15156-3 (NACE MR 0175) |
W.NR 2.4665 UNS N06002 AWS 057 |
Exceptional oxidation resistance. Highly resistant to stress corrosion cracking in petrochemical applications. |
Gas turbine engines Industrial furnaces Chemical processing Petrochemical industry |
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| Density | 8.22 g/cm³ | 0.297 lb/in³ |
| Melting Point | 1355°C | 2470°F |
| 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/mm² | 11255 ksi |
| Modulus of Elasticity | 205 kN/mm² | 29733 ksi |
| Heat Treatment of Finished Parts | |||||
|---|---|---|---|---|---|
| Condition as supplied by Alloy Wire | Type | Temperature | Time (Hr) | Cooling | |
| °C | °F | ||||
| Annealed or Spring Temper | Stress Relieve | 400 – 450 | 750 – 840 | 2 | Air |
| Properties | ||||
|---|---|---|---|---|
| Condition | Approx. tensile strength | Approx. operating temperature | ||
| N/mm² | ksi | °C | °F | |
| Annealed | 850 – 1050 | 123 – 152 | -200 to +400 | -330 to +750 |
| Spring Temper | 1350 – 1550 | 196 – 225 | -200 to +400 | -330 to +750 |
The above tensile strength ranges are typical. If you require different please ask.
*Trade name of Haynes International
