Nickel Alloy, Corrosion- and Heat Resistant, Investment Castings 61Ni - 16Cr - 8.5Co - 1.8Mo - 2.6W - 0.85Cb (Nb) - 3.4Ti - 1.8Ta - 3.4Al - 0.010B - 0.05Zr Vacuum Melted, Vacuum Cast, As Cast, or Solution Treated, or Solution and Precipitation Hardened