Patent ID: 7491910
Filing Date: 2009-02-17
Classification: B23K,C22C,C23C

Abstract:
1. An electrode for forming a hardfacing alloy for application to a metal surface, said electrode including iron, at least 0.05 weight percent by electrode vanadium and over 0.1 weight percent by electrode niobium, said hardfacing alloy comprising of at least about 7 weight percent chromium, at least about 0.02 weight percent nitrogen, metal sensitization inhibitor, and a majority weight percent iron, said hardfacing alloy containing less than about 6% ferrite, said metal sensitization inhibitor in said hardfacing alloy including a metal selected from the group consisting of at least about 0.3% niobium, at least about 0.05% vanadium, and combinations thereof, said electrode including a metal sheath and a fill composition said fill composition comprising by weight percent of said total electrode: