Patent ID: 7651575
Filing Date: 2010-01-26
Classification: C22C,F01L

Abstract:
1. A wear resistant alloy consisting essentially of, by weight, 0.15% up to 0.35% C; up to 1% Si; up to 1% Mn; greater than 25% to 35% Ni; 15% to 25% Cr; up to 0.5% Mo; up to 0.5% W; greater than 1.6% to 3% Al; 1% to 3.5% Ti; greater than 1.1 to 3% total of Nb and Ta; up to 0.015% B; and the balance being Fe and inevitable impurities; wherein Mo+0.5 W≦0.75%; Ti+Nb≧4.5% and 13≦(Ti+Nb)/C≦50, on a weight percentage basis; wherein the total primary carbide volume fraction is greater than 1% and up to 4% and the primary carbides are randomly precipitated.