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SAE AMS4775 Revision J, October 1, 2010
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Nickel Alloy, Brazing Filler Metal 73Ni - 0.75C - 4.5Si - 14Cr - 3.1B - 4.5Fe 1790 to 1970 Degrees F (977 to 1077 Degrees C) Solidus-Liquidus Range
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AIA/NAS Aerospace Standards

This specification covers a nickel alloy in the form of wire, rod, strip, foil, and powder and a viscous mixture (paste) of the powder in a suitable binder.


This filler metal has been used typically for joining corrosion and heat-resistant steels and alloys requiring corrosion and oxidation resistant joints with good strength at elevated temperatures, but usage is not limited to such applications. Also may be used as a corrosion and oxidation resistant hard coating.