This specification covers a corrosion and heat-resistant nickel alloy in the form of bars, forgings, extrusions, flash welded rings, and stock for forging, extruding, or flash welded rings up to 10 inches (254 mm) in diameter or least cross-sectional dimension (see 8.5).
SAE AMS5666J-2016 history
2022SAE AMS5666K-2022 Nickel Alloy, Corrosion- and Heat-Resistant, Bars, Forgings, Extrusions, Rings, and Stock for Forgings, Extrusions, and Rings 62Ni - 21.5Cr - 9.0Mo - 3.65Cb (Nb) Annealed