Wear and corrosion resistant nickel-base alloy

Details Wear and corrosion resistant nickel-base alloy Wear and corrosion resistant nickel-base alloy

C - Chemistry, Metallurgy

22

C

75/16

C22C 19/05 (2006.01) B23K 35/30 (2006.01) C22C 30/00 (2006.01)

Patent

CA 1096660

WEAR AND CORROSION RESISTANT NICKEL-BASE ALLOY Abstract of Disclosure A nickel-base wear and corrosion resistant alloy is provided containing by weight about 20% to 35% Cr, about 1% to 8% Si, about 1.7% to 3.5% C, O to 15% W and the balance essen- tially at least about 40% nickel, the amount of carbon present in said composition being stoichiometrically related to the chromium content to provide carbides based on the formula M7C3, wherein M comprises essentially chromium, the amount of chromium in said M7C3 compound ranging from about 65% to less than about 100% of the total chromium in said composition, the melting point of said alloy being less than about 1350°C. The alloy has parti- cular use in welding consumables for hard facing, for valve seats, for wear resistant sleeves and bushings (castings) and other uses.

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