Introduce
Nimonic 90 high-temperature nickel alloy, Nimonic 90 welding wire, precipitation and hardening, with high stress fracture strength and creep resistance at high temperatures up to about 950℃. It is widely used, and it is a well-proved alloy at high temperatures.
Name
The Nimonic 90 is also known as Superimphy 90, Pyromet 90, and Udimet 90.
Nimonic 90 welding wire chemistry composition
| Ni | Co | Cr | Fe | Zr | B | C | Mn | Si | S | P | Cu | Al | Ti |
| Balance | 15.0-21.0 | 18.0-21.0 | 1.5 | 0.15 | 0.02 | 0.13 | 0.4 | 0.8 | 0.015 | 0.02 | 0.2 | 1.0-2.0 | 2.0-3.0 |
Mechanical property
| Heat treatment method | Tensile strength Mpa | Yield strength Mpa | Extensibility % |
| Solid solution treatment | 820 | 590 | 8 |
The alloy has high tensile strength and creep resistance at 815-870℃, good oxidation resistance and corrosion resistance, and high fatigue strength and good formability and weldability under the repeated alternation of cold and heat. Mainly supply of hot rolled and cold pulled rod, cold rolled sheet, strip and cold pulled wire. For turbine engines, turbine discs, blades, high temperature fasteners, hoops, sealing rings and elastic elements, etc.