Historical
SAE AMS 5665P-2019
Nickel Alloy, Corrosion and Heat Resistant, Bars, Forgings, and Rings, 74Ni - 15.5Cr - 8.0Fe
This specification covers a corrosion and heat resistant nickel alloy in the form of round bars over 2.50 to 4.50 inches (over 63.5 to 114.3 mm), inclusive, in nominal diameter, forgings over 2.50 inches (63.5 mm) in nominal thickness, other bars and forgings, flash welded rings, and stock for forging or flash welded rings (see 8.6).
Society of Automotive Engineers [sae]