Patent ID: 6896747
Filing Date: 2005-05-24
Classification: C21D,C22C

Abstract:
1. Austenitic alloy for high-temperature strength with improved pourability and manufacturing, comprising, by weight-%: 0.010%<carbon<0.04% 0%<nitrogen<0.01% silicon<2% 16%<nickel<19.9% manganese<8% 18.1%<chromium<21% 1.8%<titanium<3% molybdenum<3% copper<3% aluminum<1.5% boron<0.01% vanadium<2% sulfur<0.2% phosphorous<0.04% and up to 0.5% of at least one element selected from the group consisting of yttrium, cerium, lanthanum and other rare earths, the remainder being iron, wherein the alloy satisfies the two following relationships: in relationship to the solidification mode: in relationship to the rate of residual ferrite: