Gold alloys

Details Gold alloys Gold alloys

C - Chemistry, Metallurgy

22

C

C22C 9/04 (2006.01) C22C 30/02 (2006.01)

Patent

CA 2761291

A gold alloy having, expressed by weight, about 24.5 to 25.5% Au, about 19.0 to 23.0% Ag, about 43.0 to 47.0% Cu, about 6.0 to 10.0% Zn, about 0.05 to 0.30% Si, and about 0.005 to 0.03% Ir. Alternatively, a alloy having, expressed by weight, about 16-17% Au, about 19-23% Ag, about 50-55% Cu, about 6-10% Zn, about 0.05-0.30% Si, and about 0.005-0.03% Ir.

L'invention porte sur un alliage d'or ayant, exprimés en poids, environ 24,5 à 25,5 % d'Au, environ 19,0 à 23,0 % d'Ag, environ 43,0 à 47,0 % de Cu, environ 6,0 à 10,0 % de Zn, environ 0,05 à 0,30 % de Si et environ 0,005 à 0,03 % d'Ir. En variante, l'invention porte sur un alliage ayant, exprimés en poids, environ 16-17 % d'Au, environ 19-23 % d'Ag, environ 50-55 % de Cu, environ 6-10 % de Zn, environ 0,05-0,30 % de Si et environ 0,005-0,03 % d'Ir.

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