abstract |
The invention relates to an aluminium alloy rolled sheet product for forming into automotive body panels, and having a yield strength of more than 160 MPa after being subjected to a paint-bake cycle, and having a gauge in a range of 0.5 to 4 mm, and preferably 0.7 to 3.5 mm, and having a composition comprising of, in wt.%: Zn 1.5 to 4.0, Mg 0.3 to 1.5, Cu 0 to 1.0, Ti 0 to 0.15, Fe 0 to 0.35, Si 0 to 0.5, other elements and unavoidable impurities, and balance aluminium. The invention further relates to an automotive body part formed from such an aluminium sheet, to a method of manufacturing an automotive body part, and to the use of the aluminium alloy sheet product in such a method of manufacturing. |