Process for the production of copper alloys

Details Process for the production of copper alloys Process for the production of copper alloys

C - Chemistry, Metallurgy

22

F

C22F 1/08 (2006.01) C22C 1/02 (2006.01) C22C 9/02 (2006.01) C22C 9/06 (2006.01)

Patent

CA 2069023

ABSTRACT The invention relates to a process for the production of copper alloys of very high strength and very good transformability with a content of from 2 to 10% Ni, from 2 to 12% Sn, the balance Cu and usual impurities. Strengths of up to 1500 N/mm are achieved by a solution treatment after the casting operation at from 650°C to 800°C for a period of time of from 24 hours to 3 hours and - after previous quenching and in the absence of cold working - ageing for a period of time of from 14 days to 15 minutes at a temperature in the range of from 260°C to 380°C.

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