Patent ID: 8241560
Filing Date: 2012-08-14
Classification: C22C,F01D,F05C,F05D

Abstract:
1. Single crystal casting comprising a nickel base superalloy having improved stress rupture life at an elevated temperature above 1400 degrees F., consisting essentially of, in weight %, about 6.4% to about 6.8% Cr, about 9.3% to about 10.0% Co, 7.0% to about 8.5% Ta, about 5.45% to about 5.75% Al, about 6.2% to about 6.6% W, about 0.5% to about 0.7% Mo, about 0.8% to about 1.2% Ti, about 2.8% to about 3.2% Re, up to about 0.12% Hf, about 0.01% to about 0.08% C, up to about 0.10% B, and balance Ni and incidental impurities.