An aluminum strip for lithographic printing plate supports, from which printing plate supports can be produced with an improved roughenability and at the same time improved mechanical properties, particularly after a burn-in process, is formed of an aluminum alloy which has the following proportions of alloy constituents in wt. %: 0.05%≦Mg≦0.3%, 0.008%≦Mn≦0.3%, 0.4%≦Fe≦1%, 0.05%≦Si≦0.5%, Cu≦0.04%, Ti≦0.04%, inevitable impurities individually max. 0.01%, in total max. 0.05% and remainder Al.