CO-NI BASE HEAT-RESISTANT ALLOY AND METHOD FOR PRODUCTION THEREOF

摘要

A Co-Ni base heat-resistant alloy having the chemical composition, in wt %: C: 0.05 % or less, Si: 0.5 % or less, Mn: 1.0 % or less, Ni: 25 to 45 %, Cr: 13 % or more and less than 18 %, Mo + 1/2W (one or more of Mo and W): 7 to 20 %, Ti: 0.1 to 3.0 %, Nb: 0.1 to 5.0 %, Fe: 0.1 to 5.0 %, and balance: Co and inevitable impurities.