Nimonic 90 Cobalt Based Alloy
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Nickel-chromium-cobalt alloy
- 14992
Nimonic 90 Cobalt Based Alloy
Physical and Mechanical Properties
Density
8.2g/cm³
Melting point
1400°C
Elongation
8%
Tensile strength
820MPa
Yield strength
590MPa
Product Form and Standard Specification
Bar
AMS5829, GB/T14992
Plate
MSSR 7016, GB/T14994
Wire
AMS5829, GB/T14997
Strip
MSSR 7016
Forging
AMS5829, GB/T14994
Nimonic 90 (GH90) is a high-temperature nickel-chromium-cobalt alloy, composed of nickel, chromium, cobalt, and trace amounts of carbon, silicon, and other elements. It exhibits exceptional high-temperature performance and oxidation resistance, capable of continuous operation in environments up to 850°C. Its high-temperature strength and creep resistance make it an indispensable material in the aerospace, energy, and chemical industries.
Features- High temperature resistance: Retains excellent mechanical properties even in high-temperature environments, making it suitable for demanding industrial applications.
- Excellent oxidation resistance: Protects against oxidation at elevated temperatures, significantly extending the lifespan of equipment and components.
- Good thermal stability: Maintains structural integrity even when exposed to large temperature fluctuations, ensuring long-term performance in extreme environments.
- Aerospace: Used in the manufacturing of high-temperature engine components, including combustion chambers and turbine blades, ensuring efficient and durable aircraft performance.
- Energy industry: Applied in power plants, as well as oil and gas extraction, for critical high-temperature parts that need to withstand harsh environments.
- Chemical industry: Ideal for use in high-temperature, high-pressure reactors where it resists both corrosion and thermal degradation.
- Nuclear energy: Essential in the construction of nuclear reactor components, where safety, durability, and high performance are paramount.
- Automotive industry: Used in high-performance vehicles, such as in the turbochargers and other critical engine components.
Chemical compositions
| C ≤0.13% | Cr18.0-21.0% | NiBal | Co15.0-21.0% | Al1.0-2.0% | Ti2.0-3.0% | Mn≤0.4% |
| Si≤0.8% | P≤0.02% | S≤0.015% | B≤0.20% | Cu≤0.20% | Fe≤1.50% | Zr≤1.50% |
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