ALUMINIUM-SILICON-MAGNESIUM ALLOY HAVING IMPROVED DUCTILITY AND DEEP-DRAWING PROPERTIES, AND METHOD FOR PRODUCING SAME

摘要

the invention relates to aluminum alloy type al si mg to ductility andimproved drawability, used in the form of sheet or strip, anda process for the production thereof. the plate or bandespecially for the deep drawing in particular on the bodyautomobile. the alloy has the following chemical composition, inweight: 0.1 to 0.8 nm to 0.8 mg, 0.25; 0.5 to 1.3) to 0.9% cu.up to 0.5 pa, and up to 0.5 (each), and 15 (total) of other elements.is al. the sheet or strip is obtained by casting, hot rolling inthe specific conditions of reheating and rolling, cold rolling,mu00e2turation, forming and baking coating is a pre -if used in quenching and mu00e2turation.