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Alloy 908 UNS N09908 is a nickel-iron-based superalloy renowned for its low thermal expansion and high strength at cryogenic temperatures. Developed for specialized engineering applications, this material combines excellent mechanical properties with superior resistance to thermal fatigue.
The alloy primarily consists of nickel, iron, and cobalt, with additions of niobium and titanium for precipitation hardening. It offers a unique coefficient of thermal expansion, matching that of glass and ceramics, making it ideal for precision instruments.
Common uses include aerospace components, cryogenic storage systems, and laser equipment. Its stability under extreme temperatures ensures reliability in sensitive environments.
Alloy 908 maintains tensile strength and ductility down to -200°C, outperforming many alternatives. Its weldability and fabricability further enhance its versatility.
What makes Alloy 908 unique?
Its low thermal expansion paired with high strength distinguishes it from other superalloys.
Is it corrosion-resistant?
Yes, it exhibits good resistance to oxidation and corrosion in various environments.
For detailed technical specifications or to purchase Alloy 908 UNS N09908, contact our experts today to discuss your project requirements.