Aluminum alloy with improved strength and ductility

EP4526489A4Pending Publication Date: 2026-06-03RIOTINTO ALCAN INT LTD
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Patent Information

Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
RIOTINTO ALCAN INT LTD
Filing Date
2023-05-18
Publication Date
2026-06-03

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Abstract

The present disclosure concerns an aluminum alloy with improved strength and ductility. The aluminum alloy composition of the present disclosure achieves a superior strength / ductility combination compared to existing Al-Mg-Si alloys. The aluminum alloy comprises, in weight percent: 0.45 - 0.60 Si; ≤ 0.3 Fe; 0.30 - 0.65 Cu; 0.71 - 0.90 Mg; ≤ 0.20 Mn; ≤ 0.12 Cr; and the balance being aluminum and inevitable impurities.
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