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ALUMINUM ALLOY HAVING EXCELLENT EXTRUDABILITY AND INTERGRANULAR CORROSION RESISTANCE FOR FINELY HOLL 发明申请

2023-06-17 2450 411K 0

专利信息

申请日期 2025-07-25 申请号 KR1020137018055
公开(公告)号 KR1020130109198A 公开(公告)日 2013-10-07
公开国别 KR 申请人省市代码 全国
申请人 NIPPON LIGHT METAL CO
简介 Provided as an aluminum alloy for finely hollow shapes is an aluminum alloy that is reduced in the content of Cu, which is problematic with respect to intergranular corrosion resistance, and that can be kept having a noble self-potential and has excellent extrudability. The alloy has a chemical composition which contains 0.05-0.15 mass % Fe, up to 0.10 mass % Si, 0.03-0.07 mass % Cu, 0.30-0.55 mass % Mn, 0.03-0.06 mass % Cr, and 0.08-0.12 mass % Ti and which optionally further contains up to 0.08 mass % V so as to satisfy the relationship Ti+V=0.08 to 0.2 mass %. Also provided is a process for producing a finely hollow aluminum alloy shape.


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