TIN BEARING COPPER ALLOYS FOR DIE-CASTING

摘要

PURPOSE: A tin bearing copper alloy for die-casting is provided to ensure high strength and a low melting point by comprising tin and more aluminum while excluding nickel. CONSTITUTION: A tin bearing copper alloy for die-casting comprises tin of 5.0-6.0 weight%, manganese of 7.5-8.5 weight%, aluminum of 6.8-7.3 weight%, iron of 1.0-2.0 weight%, and copper and inevitable impurities of the remaining amount. The inevitable impurities exclude nickel, lead, and zinc.