Age-hardening copper alloy as material for producing casting...

C - Chemistry – Metallurgy – 22 – C

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C22C 9/06 (2006.01) B22C 9/06 (2006.01) B22D 11/06 (2006.01) C22F 1/08 (2006.01)

Patent

CA 2409888

An age-hardening copper alloy made of - as expressed in each case in weight % - 0.4 % to a maximum of 2 % cobalt which is partially replaceable by nickel, 0.1 % through 0.5 % beryllium, optionally 0.03 % through 0.5 zirconium, 0.005 % through 0.1 % magnesium and possibly a maximum of 0.15 % of at least one element from the group including niobium, manganese, tantalum, vanadium, titanium, chromium, cerium and hafnium. The remainder is copper inclusive of production-conditioned impurities and usual processing additives. This copper alloy is used as the material for producing casting molds, in particular for the sleeves of continuous casting rolls as components of a two-roll casting installation.

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