SAE AMS5664E-2001
Nickel Alloy, Corrosion and Heat Resistant, Bars, Forgings, and Rings 52.5Ni - 19Cr - 3.0Mo - 5.1Cb - 0.90Ti - 0.50A1 - 18Fe Consumable Electrode or Vacuum Induction Melted 1950 Degrees F (1066 Degrees C) Solution Heat Treated, Precipitation Hardenable U