Composition %
| Carbon - 0,13 max. | |
|---|---|
| Silicon - 1,0 max. | |
| Cupru - 0,2 max. | |
| Fier - 1,5 max. | |
| Mangan - 1,0 max. | |
| Crom - 18.0-21.0 | |
| Titan - 2,0-3,0 | |
| Aluminiu - 1,0-2,0 | |
| Cobalt - 15.0-21.0 | |
| Bor - 0,02 max. | |
| Sulf - 0,015 max. | |
| Zirconiu - 0,15 max. | |
| Nichel - rest |
General properties
Alloy 90 / Nimonic 90 ® (W-Nr. 2.4632/2.4969; UNS N07090)
A precipitation-hardenable nickel-chromium-cobalt alloy having high stress-rupture strength and creep resistance at temperatures to about 1700°F (920°C).
The alloy also has good resistance to high-temperature corrosion and oxidation. Used for blades and discs in gas turbines, hot-working tools, and springs.
