SAE AMS 5707P
Nickel Alloy, Corrosion- and Heat-Resistant, Bars, Forgings, Rings, and Forging Stock 57Ni - 19.5Cr - 13.5Co - 4.3Mo - 3.0Ti - 1.4Al - 0.05Zr - 0.006B Consumable Electrode Remelted or Vacuum Induction Melted 1825 to 1900 °F (996 to 1038 °C) Solution, Stabilization, and Precipitation Heat Treated