Incoloy 907 / Nickel Alloy 907: High-Strength, Precipitation-Hardened Alloy for Gas Turbine Components

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Incoloy 907/Nickel Alloy 907

‌‌Incoloy series alloy is a nickel-iron-chromium alloy used primarily for oxidation and carburizing resistance at high temperatures. ‌
The Incoloy series consists of three main alloys: Incoloy800, Incoloy800H and Incoloy800AT. These alloys are designed to maintain resistance to oxidation and carburizing at elevated temperatures. The nickel content of Incoloy800 is 32%, which makes it resistant to stress corrosion cracking of chloride and insensitive to the precipitation of σ phase, with excellent uniform corrosion resistance ‌.

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UNS N19907
Incoloy Alloy 907 (tradename)

Alloy 907 (Incoloy alloy 907) is a nickel-iron-cobalt alloy with additions of niobium and titanium for precipitation hardening. It has the low coefficient of expansion and high strength of alloy 903 but alloy 907 has improved notch-rupture properties at elevated temperatures. Alloy 907 is used for gas turbines components (seals, shafts, casings and other structural parts).