SAE AMS 5893D:2023

Iron-Nickel Alloy, Bars, Forgings, And Rings And Stock For Rings, Forgings, And Heading 42Fe - 37.5Ni - 14Co - 4.8 (Cb + Ta)(Nb + Ta) - 1.6Ti Solution Heat Treated, Short-Time Precipitation Hardenable Multiple Melted, High Temperature, Low Expansion