发明名称 |
ALUMINUM ALLOY TUBE AND ALUMINUM ALLOY STRUCTURAL MEMBER FOR AUTOMOBILE USING THE SAME |
摘要 |
An Al-Mg-based aluminum alloy pipe for hot working, having an alloy composition having from 2.5% by mass to 2.8% by mass of Mg, 0.25% by mass or less of Si, 0.35% by mass or less of Fe, and from 0.25% by mass to 0.35% by mass of Cr, with the balance being inevitable impurities and Al, wherein an area ratio of cavities after hot working is 2.3% or less; and an aluminum alloy structural member for automobile using the same.
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申请公布号 |
EP1935998(A1) |
申请公布日期 |
2008.06.25 |
申请号 |
EP20050783336 |
申请日期 |
2005.09.09 |
申请人 |
FURUKAWA-SKY ALUMINUM CORPORATION;HONDA GIKEN KOGYO KABUSHIKI KAISHA |
发明人 |
KASHIWAZAKI, KAZUHISA;SHOJI, RYO;UENO, SEIZO;AKIYAMA, HIROSHI;SHIOTSUKI, KATSUHIKO;HORI, IZURU;UKENA, TOSHIYASU |
分类号 |
C22C21/06;B21C37/15 |
主分类号 |
C22C21/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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