Nickel alloys / UNS N07080
Nimonic® 80A is a precipitation-hardenable nickel-chromium alloy with high creep strength up to about 815 °C, used for gas-turbine and exhaust-valve components.
- UNS N07080
- W.Nr. 2.4952
- Spec ASTM B637
- Density 8.19 g/cm³
Also known as / equivalents
| System | Designation |
|---|---|
| UNS | N07080 |
| W.Nr. | 2.4952 |
| EN | NiCr20TiAl |
| Also known as | Alloy 80A, 2.4952, NiCr20TiAl |
Chemical composition
| Element | Min % | Max % |
|---|---|---|
| Ni | Bal. | — |
| Cr | 18.0 | 21.0 |
| Ti | 1.80 | 2.70 |
| Al | 1.00 | 1.80 |
| Fe | — | 3.0 |
| Co | — | 2.0 |
| C | — | 0.10 |
| Mn | — | 1.0 |
| Si | — | 1.0 |
| Cu | — | 0.20 |
| S | — | 0.015 |
Physical properties
| Property | Metric | Imperial |
|---|---|---|
| Density | 8.19 g/cm³ | 0.296 lb/in³ |
| Magnetic response | Non-magnetic | — |
Available forms & specifications
| Form | Specification | Size range |
|---|---|---|
| Sheets & plates | ASTM B168, B443, B409, B424, B127, B162 | 0.3 mm – 6 mm |
| Seamless pipe & tube | ASTM B167, B444, B407, B423, B165, B161 | 1/8" – 24" NB |
| Bars & rods | ASTM B166, B446, B408, B425, B164, B160 | 3 mm – 500 mm |
| Flanges & forgings | ASTM B564 | 1/2" – 48" NB (larger on request) |
| Buttweld fittings | ASTM B366 | 1/2" – 48" NB |
Corrosion & temperature resistance
Nickel-based alloys resist caustic alkalis, chloride stress-corrosion cracking and many acids, and keep their strength and oxidation resistance at temperatures where stainless steels fail.
Applications
Nimonic® 80A: Exhaust valves, turbine blades, bolts. Chemical and petrochemical plant, sour-gas and oilfield equipment, furnace and heat-treatment hardware, power generation, marine engineering and aerospace components.
Frequently asked questions
What is the UNS number of Nimonic® 80A?
Nimonic® 80A is designated UNS N07080 (W.Nr. 2.4952, EN NiCr20TiAl).
What is Nimonic® 80A used for?
Creep resistant to ~815 °C. Typical uses: exhaust valves, turbine blades, bolts.
Is Nimonic® 80A magnetic?
Non-magnetic.
In which forms can I buy Nimonic® 80A from Rajkamal Metals?
Coils & Strips, Sheets & Plates, Pipes & Tubes, Round Bars & Rods, Flanges, Buttweld Fittings, Socket Weld & Threaded Fittings, Fasteners, Ferrule / Instrumentation Fittings, Dish Ends, Custom Orders. Sizes as per standard; other sizes on request.
Do you supply a Mill Test Certificate with Nimonic® 80A?
Yes. Actual values are given in the Mill Test Certificate (EN 10204 3.1) supplied with each order.
Last updated: 30 October 2026. Grade names identify the supply range; designations are not engineering equivalents. Availability, make, origin and documentation are confirmed at quotation.
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Need Nimonic® 80A?
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