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UNS N07090 Alloy Properties and Applications
The UNS N07090 alloy, also known as Waspaloy, is a nickel-based superalloy renowned for its exceptional high-temperature strength and corrosion resistance. This alloy is widely used in demanding applications, particularly in aerospace and industrial gas turbine engines. Below, we explore its key properties and common applications.
Key Properties of UNS N07090
The UNS N07090 alloy exhibits a combination of mechanical and chemical properties that make it suitable for extreme environments:
- High-Temperature Strength: Retains excellent mechanical properties at temperatures up to 980°C (1800°F).
- Oxidation Resistance: Resists oxidation and corrosion in harsh environments, including sulfur-containing atmospheres.
- Creep Resistance: Maintains structural integrity under prolonged stress at elevated temperatures.
- Fatigue Resistance: Withstands cyclic loading, making it ideal for rotating components.
- Weldability: Can be welded using conventional techniques, though post-weld heat treatment is often required.
Common Applications of UNS N07090
Due to its outstanding properties, UNS N07090 is utilized in several critical industries:
- Aerospace: Turbine blades, discs, and shafts in jet engines.
- Power Generation: Components in gas turbines and nuclear reactors.
- Oil & Gas: High-temperature fasteners and valves in drilling equipment.
- Chemical Processing: Reactor vessels and heat exchangers exposed to corrosive media.
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Conclusion
The UNS N07090 alloy is a versatile material that excels in high-stress, high-temperature environments. Its unique combination of strength, corrosion resistance, and durability makes it indispensable in industries where performance under extreme conditions is paramount. Whether in aerospace or energy sectors, this superalloy continues to play a vital role in advancing technology and engineering solutions.
