Patent ID: 6866727
Filing Date: 2005-03-15
Classification: B22F,C22C,C22F

Abstract:
1. A nickel based superalloy composition, comprising: 16.5 to 20.5 weight % Co, 9.5 to 12.5 weight % Cr, 1.8 to 3.2 weight % Mo, 4.25 to 6.0 weight % W, 3.0 to 4.2 weight % Al, 3.0 to 4.4 weight % Ti, 1.0 to 2.0 weight % Ta, 0.06 to 1.8 weight % Nb, 0.01 to 0.08 weight % C, 0.01 to 0.06 weight % B, 0.03 to 0.15 weight % Zr, and Ni, wherein a W: Ta ratio is between 2.9 and 4.1.