ALUMINUM ALLOY MATERIAL SUITABLE FOR MANUFACTURING OF AUTOMOBILE SHEET, AND PREPARATION METHOD THEREFOR

摘要

The present invention discloses an aluminum alloy material suitable for the manufacture of automotive body panels comprising: Si 0.6 to 1.2 wt%, Mg 0.7 to 1.3 wt%, Zn 0.25 to 0.8 wt%, Cu 0.02 to 0.20 wt%, Mn 0.01 to 0.25 wt%, Zr 0.01 to 0.20 wt%, and the balance of Al and incidental elements, based on the total weight of the aluminum alloy material, wherein the aluminum alloy material satisfies the inequation of: 2.30 wt%‰¤ (Si+Mg+Zn+2Cu) wt%<3.20 wt%. The present invention further provides a method of producing the aluminum alloy material and a final component comprising the aluminum alloy material.