ALUMINUM ALLOY AND OVERAGED ALUMINUM ALLOY PRODUCT MADE OF SUCH AN ALLOY

摘要

The invention relates to an aluminum alloy having 0.04 - 0.1 wgt.-% Si, 0.8 - 1.8 wgt.-% Cu, 1.5 - 2.3 wgt.-% Mg, 0.15 - 0.6 wgt.-% Ag, 7.05 - 9.2 wgt.-% Zn, 0.08 - 0.14 wgt.-% Zr, 0.02 - 0.08 wgt.-% Ti, max. 0.35 wgt.-% Mn, max. 0.1 wgt.-% Fe, max. 0.06 wgt.-% Cr, optional 0.0015 - 0.008 wgt.-% Be, the remainder aluminum in addition to unavoidable impurities. The invention furthermore relates to an aluminum alloy product which is overaged according to T74xx, produced from such an alloy.