| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a container high in strength and superior in resistance against crevice corrosion by forming it with a wrinkled composite aluminum foil that is suitable for the storage of frozen food. SOLUTION: This container is composed of a composite aluminum foil such that one side or both sides of a core material, which contains 0.3-1.5% Mn, 0.1-1.3% Mg, 0.05-0.25% Cu, 0.1-0.3% Si, 0.26-0.60% Fe and the balance Al with inevitable impurities, are coated with a surface material which contains 0.01-0.09% Cu, 0.01-0.09% Si, 0.01-0.25% Fe and, if desired, 0.1-1.5% Mg and the balance Al with inevitable impurities.</p> |
