Patent ID: 7118636
Filing Date: 2006-10-10
Classification: C22C,C22F

Abstract:
1. A nickel-iron-chromium alloy containing, by weight, less than 0.05 niobium, at least 0.05% zirconium, at least 0.05% carbon, at least 0.05% nitrogen, a carbon:nitrogen weight ratio of at least 1:2 to less than 1:1, sufficient titanium, zirconium, and/or aluminum to be free of chromium carbides, and titanium, zirconium, carbon, and nitrogen in amounts sufficient to form a uniform dispersion of fine titanium and zirconium carbonitride [(Ti x Zr 1−x )(C y N 1−y )] precipitates in an amount near the solubility limit of the titanium and zirconium carbonitride precipitates in a molten state of the alloy.