Dezincification-resistant copper alloy and method for...

Details Dezincification-resistant copper alloy and method for... Dezincification-resistant copper alloy and method for...

C - Chemistry, Metallurgy

22

C

C22C 9/04 (2006.01) C22C 1/02 (2006.01) C22F 1/08 (2006.01)

Patent

CA 2678074

A dezincification-resistant copper alloy and a method for producing a product comprising the same are proposed by the present invention. The dezincification- resistant alloy of the present invention comprises 59.5 to 4 wt% of copper (Cu); 0.1 to 0.5 wt% of bismuth (Bi); 0.08 to 0.16 wt% of arsenic (As); 5 to 15 ppm of boron (B); 0.3 to 1.5 wt% of tin (Sn); 0.1 to 0.7 wt% of zirconium (Zr); less than 0.05 wt% of lead (Pb); and zinc (Zn) in balance. The dezincification-resistant copper alloy of the present invention has excellent casting properties, good toughness and machinability, and can be corrosion-resistant. Thus, the alloy can reduce dezincification on the surfaces thereof.

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