Patent ID: 9605565
Date: 2017-03-28
CPC Classifications: C22C,F01L

Claim:
1. An Fe-Ni-Cr Alloy, consisting essentiality of, in terms of weight percent: Al 1 to 3.5 Co up to 2 Cr 15 to 19.5 Cu up to 2 Fe 24.09 to 34.89 Hf up to 0.3 Mn up to 4 Mo 0.15 to 2 Si up to 0.15 Ta up to 1.05 Ti 2.8 to 4.3 W up to 0.5 Zr up to 0.06 C 0.02 to 0.15 N 0.0001 to 0.007 balance Ni, wherein, in terms of atomic percent: said alloy being free of Nb and essentially free of V; and, said alloy comprising γ and γ′ phases, wherein the lattice misfit at 870° C. of the γ and γ′ phases is between −0.135% and +0.064%.