Alloy 908 UNS N09908: Key Properties and Composition

Alloy 908 UNS N09908 is a nickel-iron superalloy renowned for its low coefficient of thermal expansion and high strength. This material maintains excellent mechanical properties across a wide temperature range, making it ideal for cryogenic and elevated temperature applications. Its composition includes precise amounts of nickel, iron, and chromium, optimized for stability and performance.

Key Applications of Alloy 908 UNS N09908

This alloy is widely used in aerospace, energy, and precision engineering sectors. Common applications include structural components in jet engines, cryogenic storage systems, and instrumentation requiring dimensional stability. Its unique properties also make it suitable for manufacturing parts in optical and laser equipment.

Performance in Extreme Conditions

Alloy 908 performs exceptionally under thermal cycling and mechanical stress, resisting deformation and corrosion. It is often selected for environments where temperature fluctuations are frequent, ensuring longevity and reliability.

Frequently Asked Questions

What makes Alloy 908 UNS N09908 unique?

Its balanced thermal expansion and strength set it apart from other superalloys.

Is it weldable?

Yes, with proper techniques, it can be welded without compromising its properties.

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