Nimonic 80A
2.4952Nickel-chromium age-hardenable alloy with Ti + Al for gamma-prime strengthening. Developed originally for gas turbine blades. Good creep resistance to ~700°C. Used for exhaust valves, springs at elevated temperatures, nuclear engineering fasteners, and gas turbine components. ≈ UNS N07080.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇺🇸 | UNS | USA | UNS N07080 | N07080 | REF |
| 🇪🇺 | EN | Europe | Nimonic 80A / NiCr20TiAl | 2.4952 | 100% |
Sources: AMS 5544, EN 10269
Chemical composition comparison (wt%)
Side-by-side: Nimonic 80A (EN 10269) vs Nimonic 80A / NiCr20TiAl (EN) (EN 10269)
| Element | Nimonic 80A (EN 10269) | Nimonic 80A / NiCr20TiAl (EN) | Overlap |
|---|---|---|---|
| C | — | 0.04–0.1% | — |
| Si | — | 0–1% | — |
Mechanical properties
Compatibility verdict
Nimonic 80A and Nimonic 80A / NiCr20TiAl: 100% composition match
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