SAE Standards Works
AMS F Corrosion Heat Resistant Alloys Committee
AMS4783G - Cobalt Alloy, High Temperature Brazing Filler Metal, 50Co 8.0Si 19Cr 17Ni 4.0W 0.80B, 2050-2100°F (1121-1149°C) Solidus-Liquidus Range
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Jacque S. Bader
Cobalt Alloy, High Temperature Brazing Filler Metal, 50Co 8.0Si 19Cr 17Ni 4.0W 0.80B, 2050-2100°F (1121-1149°C) Solidus-Liquidus Range
This specification covers a cobalt alloy in the form of wire, rod, strip, foil, and powder and a viscous mixture (paste) of powder in a suitable binder. This filler metal has been used typically for joining cobalt alloys requiring corrosion and oxidation resistant joints with good strength at elevated temperatures, but usage is not limited to such applications.
AMS4783G incorporates the industry standard requirements of AWS A5.8 and is a Five Year Review and update of this specification. Tensile testing has also been removed as the final product is not dependent on strength of the braze material.
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