Materials
for demanding applications
Nimonic® 90
Nimonic® 90 is a nickel-chromium-cobalt precipitation hardening alloy. This alloy has high strength up to 704° C [1300° F] and is resistant to corrosive environments.
Chemical composition
| Composition | UNS N07090 % |
| Chromium | 18.0 - 21.0 |
| Cobalt | 15.0 - 21.0 |
| Iron | 3.0 max |
| Titanium | 1.8 - 3.0 |
| Aluminium | 0.8 - 2.0 |
| Manganese | 1.0 max |
| Silicon | 1.5 max |
| Carbon | 0.13 max |
| Nickel | Balance |
Physical properties
| Metric | English | |
| Density | 8.18 g/cm³ | 0.296 lbs/in³ |
| Modulus of Elasticity | 220 GPa | 32.0 Mpsi |
| Electrical Resistivity | 118 µohms-cm | 46.5 µohms-in |
| Thermal Conductivity | 11.5 W/m-K | 80 Btu-in/ft²-hr-°F |
Mechanical properties
| Cold Worked % | Yield strength | Ultimate tensile strength | Elongation % |
| 0 | 820 MPa [119 ksi] | 910 MPa [132 ksi] | 49 |
| 15 | 1007 MPa [146 ksi] | 1117 MPa [162 ksi] | 2.7 |
| 60 | 1441 MPa [209 ksi] | 1600 MPa [232 ksi] | 2.4 |
| 80 | 1675 MPa [243 ksi] | 1862 MPa [270 ksi] | 2.6 |
| 90 | 1779 MPa [258 ksi] | 1979 MPa [287 ksi] | 2.5 |