Nickel Alloy, Corrosion and Heat-Resistant, Bars and Forgings, 58Ni. 19.5Cr. 13.5Co. 4.3Mo. 3.0Ti. 1.4Al. 0.05Zr. 0.006B, Consumable Electrode or Vacuum Induction Melted, 1975 °F (1079 °C) Solution, Stabilization, and Precipitation Heat Treated