SAE AMS5662H-1994
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 1775 °F (968 °C) Solution Heat Treated@ Precipitation Hardenable (UNS N07718)