Nimonic 90 (Alloy 90), designated as UNS N07090 and W.Nr. 2.4632, is a nickel-chromium alloy known for its outstanding resistance to high-temperature oxidation and creep. It offers exceptional strength and stability at elevated temperatures, making it suitable for applications where high mechanical stress and heat are encountered.
This alloy is commonly used in gas turbines, aircraft engine components, and other high-temperature industrial equipment. Its ability to resist thermal fatigue and maintain mechanical properties under extreme conditions makes it an ideal choice for aerospace and power generation applications.
| Carbon (C) | 0.13 % max. |
| Silicon (Si) | 1.0 % max. |
| Copper (Cu) | 0.2 % max. |
| Iron (Fe) | 1.5 % max. |
| Manganese (Mn) | 1.0 % max. |
| Chromium (Cr) | 18.0-21.0 % |
| Titanium (Ti) | 2.0-3.0 % |
| Aluminum (Al) | 1.0-2.0 % |
| Cobalt (Co) | 15.0-21.0 % |
| Boron (B) | 0.02 % max. |
| Sulfur (S) | 0.015 % max. |
| Lead (Pb) | 0.0020 % max. |
| Zirconium (Zr) | 0.15 % max. |
| Nickel (Ni) | Balance |
|
Density |
Mg/m3 |
8.18 |
|
|
lb/in3 |
0.296 |
|
Melting Range |
|
|
|
Liquidus temperature |
°C |
1370 |
|
|
°F |
2500 |
|
Solidus temperature, |
°C |
1310 |
|
|
°F |
2390 |
|
Temperature |
Yield Strength 0.2 % (MPa) |
Tensile Strength (MPa) |
Elongation (%) |
Hardness HV |
|
RT |
695 min |
1080 min |
20 min |
310 min |
| AMS 5829 | DIN 2.4632 |
| DIN 2.4969 | UNS N07090 |
Standard product forms of Nimonic 90/Alloy 90/UNS N07090/W. Nr. 2.4632 are pipe, tube, sheet, strip, plate, round bar, flat bar, forging stock, hexagon and wire. The products are available in a wide variety of sizes. Please contact us at [email protected] for full information.
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