Copper alloy and method

C - Chemistry – Metallurgy – 22 – C

Patent

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148/35, 75/66

C22C 9/00 (2006.01) B22D 11/059 (2006.01) C22C 9/04 (2006.01) C22F 1/08 (2006.01)

Patent

CA 1308940

COPPER ALLOY AND METHOD ABSTRACT OF THE DISCLOSURE Method of making a copper alloy to be used as a mold for continuous casting and comprising from 0.05% to 0.4% zinc; from 0.02% to 0.3% magnesium; from 0.02% to 0.2% phosphorus; all percentages by weight; the remainder being copper, and inevitable impurities: the alloy is cast and hot worked possibly followed by quenching and cold working with at least 10% deformation; the alloy is then annealed from 1 to 6 hours at a temperature from 300 to 550° centigrade; and finally cold worked with at least 10% deformation.

542572

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