Cold fabricatable aluminum alloy

Details Cold fabricatable aluminum alloy Cold fabricatable aluminum alloy

C - Chemistry, Metallurgy

22

C

75/83

C22C 21/06 (2006.01)

Patent

CA 1071902

ABSTRACT OF THE DISCLOSURE The present invention provides a cold wrought aluminum alloy which has excellent corrosion resistance and stress corrosion cracking resistance and mechanical properties greater than those of the conventional corrosion resistant aluminum alloy, said alloy consisting essentially of a cold wrought aluminum alloy having essentially the following composition: 4 - 7 wt.% of Mg; more than 1 wt.% - 1.5 wt.% of Zn; 0.1 - 0.6 wt.% of Mn; at least one component selected from the group consisting of 0.05 - 0.5 wt.% of Cr, 0.05 - 0.25 wt.% of Ti and 0.05 - 0.25 wt.% of Zr; and less than 0.5% of impurities, the balance being aluminum which has excellent ductility, corrosion resistance and high strength and a mechanical strength higher than conventional corrosion resistant aluminum alloys.

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