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SAE AMS5401 Revision C, May 1, 2004
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Nickel Alloy, Corrosion and Heat-Resistant, Investment Castings 62Ni - 21.5Cr - 9.0Mo - 3.6Cb (Nb) Vacuum Melted, Vacuum Cast As Cast
Includes all amendments and changes through Reaffirmation Notice , October 2011
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AIA/NAS Aerospace Standards

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


These castings have been used typically for structural parts requiring high strength up to 1600 °F (871 °C) and oxidation and corrosion resistance up to 1800 °F (982 °C), but usage is not limited to such applications.


Castings conforming to this specification are classified as follows:

Class 1 - Trace element limits conforming to AMS 2280, Class 1 (AMS 2280-1)

Class 2 - Trace element limits conforming to AMS 2280, Class 2 (AMS 2280-2)

Class 3 - Trace element limits do not apply

Castings shall conform to Class 1 unless Class 2 or Class 3 is specified by purchaser.