An aluminium alloy product having high strength, excellent corrosion resistance and weldability, having the following composition in wt. %: Mg 3.5 to 6.0, Mn 0.4 to 1.2, Fe0.5, Si0.5, Cu0.15, Zr0.5, Cr0.3, Ti 0.03 to 0.2, Sc0.5, Zn1.7, Li0.5, Ag0.4, optionally one or more of the following dispersoid forming elements selected from the group consisting of erbium, yttrium, hafnium, vanadium, each 0.5 wt. %, and impurities or incidental elements each 0.05, total 0.15, and the balance being aluminium.
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