Patent ID: 6866816
Filing Date: 2005-03-15
Classification: C22C,F01L

Abstract:
1. An austenitic iron base alloy, comprising: a) about 0.7 to about 2.4 wt % carbon; b) about 3 to about 9 wt % chromium; c) about 1.5 to about 4 wt % silicon; d) about 12 to about 25 wt % nickel; e) about 10 about 20 wt % of molybdenum and tungsten combined, with the tungsten comprising up to ⅓ of the total molybdenum and tungsten; f) about 0 to about 4 wt % niobium and vanadium combined; g) about 0 to about 1.5 wt % titanium; h) about 0.01 to about 0.5 wt % aluminum; i) about 0 to about 3 wt % copper; j) less than 6 wt % manganese; g) at least 45 wt % iron.