Nimonic Alloy 90 belongs to a family of nickel-based super alloys. It is nickel-chromium-cobalt alloy reinforced with additives such as aluminium and titanium. This alloy is characterized by superior resistance towards creep and oxidation at temperatures up to 1688°F (920°C).
The high-temperature strength of the alloy is due to the competition that exists between two deformation modes involving tensile deformation from normal low to medium temperature and a creep mode deformation.
Key properties of Nimonic Alloy 90
The key features of Alloy 90 include the following:
- Superior resistance to creep at elevated temperature
- High-stress rupture strength at high temperature
- Good ductability
- Age hardenable
Industrial Use of the Alloy
Alloy 90 finds use in various industries, including oil and gas extraction and processing, aerospace, nuclear, automotive, and power generation.
Applications of Nimonic Alloy 90
The major uses of Alloy 90 are in extreme stress applications such as gas turbine components, exhaust re-heaters, hot working tools, discs, and springs involving high temperature.
This alloy finds widespread use as cold rolled sheet product for various elevated temperature based applications. One such application is for gas turbine blades. Superalloys belonging to the nickel-based family are extensively used in engines of aircraft and land-based gas turbines which require high strength at elevated temperatures. The ability of the Alloy 90 to endure temperatures at very high levels makes it susceptible to be used in any kind of environment or setting that demands superb resistance to corrosion and heat while maintaining the mechanical properties of the metal. Such applications include transition liners and low-temperature combustors along with a few ring components. Ultra-thin sheets of Alloy 90 also find their application in thermal protection systems.
Common product forms of Alloy 90
The commonly available product forms of the alloy are as round bar, sheet, flat bar, plate, extruded section, round wire, and billet straight forging.
Nominal Composition
The general composition of Alloy 90 involves the following:
- Nickel 54% minimum
- Chromium 18-21%
- Cobalt 15-21%
- Titanium 2-3%
- Aluminum 1-2%
Our commitment to quality and service
We are committed to providing the highest quality Nimonic Alloy 90 sheet, strip, foil and wire products for our clients spread across the whole world. Our endeavor at a constant improvement in the production and fulfillment of on-time delivery is directed towards meeting and exceeding our customer expectations. Our zeal to stay competitive at the global level stems from our desire to understand our customer requirements, to innovate our processes, and to improve our product and service at every level. Our quality control policy ensures that we remain ever-vigilant in our efforts to deliver only the best of products, maintaining all the industry specific standards for the same.
