DURABLE ALUMINIUM ALLOY SHEET FOR DECORATIVE APPLICATIONS
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United States of America
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Apr 25, 2024
app pub date -
Feb 10, 2022
filing date -
Feb 10, 2022
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Abstract
The invention relates to improved sheets for decorative and formable parts made of an aluminium alloy which comprises, in wt. %, Mg: 0.8-1.3, Mn: 0.8-1.2, Cu: 0.05-0.30, Cr: 0.05-0.30, Fe: ≤0.4, Si: ≤0.3, Zn: ≤0.25, Ti: ≤0.15, impurities<0.05 each and <0.15 total, remainder aluminium. The method to make a sheet according to the invention comprises casting a slab with a composition according to the invention, homogenizing, hot and cold rolling the slab, annealing and tension leveling. The sheet according to the invention are particularly useful to make a coated decorative part preferably a decorative part for an automobile, or a household appliance or a medical device.
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