Improvements in or relating to nickel-base alloys

摘要

An alloy suitable for the production of metal spraying powder has the following percentage composition: .C.0-1 .Si.1-6 .B.1-6 .Cr.0-20 .Cu.1-6 .W.0.5-5 .Mo.0.5-5 .Fe.0-10 Ni and impurities, the balance A mixture suitable for spraying may consist of 50% of a powder having the composition: .C.0.6 .Si.3.8 .B.3.6 .Cr.16 .Cu.3.3 .W.1.4 .Mo.1.7 .Fe.3.1 Ni and impurities, the balance and 50% of a powder having the composition: .C.0.7 .Si.4.4 .B.3.3 .Cr.15 .Fe.4 Ni and impurities, the balance