| 摘要 |
PROBLEM TO BE SOLVED: To provide an aluminum alloy fin material for automotive heat exchanger having excellent characteristics of strength and rollability. SOLUTION: The fin material has a composition which consists of, by weight, >2.0 to 3.0% Mn, 0.8 to 1.5% Si, 0.05 to <0.4% Fe, 0.1 to 3.0% Zn and the balance Al with inevitable impurities and in which respective contents of Mn, Si and Fe satisfy relational inequality Mn/(Si+Fe)≥1.6. COPYRIGHT: (C)2004,JPO
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