Patent ID: 8486206

Claim:
Process for manufacturing drawn parts made of an aluminum alloy, comprising the steps of: manufacturing of a strip with a thickness of between 0.5 and 5 mm of an alloy with composition consisting essentially of, in % by weight, Mg=1-6, Mn<1.2, Cu<1, Zn<1, Si<3, Fe<2, Cr<0.4, Zr<0.3, other elements <0.1 each and <0.5 total, the remainder being Al; cutting a blank from the strip; heating the blank, locally or completely, for a duration of <30 s, to a temperature of between 150 and 350° C.; and drawing the heated blank using a tool heated at least partially to a temperature of between 150 and 350° C., in the presence of a lubricant compatible with subsequent operations.