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SAE AMS5377 Revision G, December 1, 2013
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Nickel Alloy, Corrosion and Heat-Resistant, Investment Castings 73Ni - 12Cr - 4.5Mo - 2.0Cb - 0.70Ti - 0.05C - 6.0Al - 0.010B - 0.10Zr Vacuum Cast, As-Cast
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AIA/NAS Aerospace Standards

This specification covers a corrosion and heat-resistant nickel alloy in the form of investment castings.


These castings have been used typically for small parts, such as turbine blades and integral wheels, requiring high strength up to 1800 °F (982 °C) and oxidation resistance up to 2000 °F (1093 °C), but usage is not limited to such applications.