Historical
SAE AMS 5664F-2017
Nickel Alloy, Corrosion and Heat Resistant, Bars, Forgings, and Rings, 52.5Ni - 19Cr - 3.0Mo - 5.1Cb - 0.90Ti - 0.50Al - 18Fe, Consumable Electrode or Vacuum Induction Melted 1950 °F (1066 °C) Solution Heat Treated, Precipitation Hardenable
Society of Automotive Engineers [sae]