| 摘要 |
PROBLEM TO BE SOLVED: To provide a technology allowing for prevention of false detection of an inspection machine in optical inspection of an aluminum alloy sheet used for a can body.SOLUTION: There is provided an aluminum alloy sheet for a can body excellent in surface property which has: a composition containing, by mass%, Si:0.40% or less, Fe:0.30% to 0.60%, Cu:0.15 to 0.50%, Mn:0.90 to 1.20%, Mg:1.00 to 1.70%, Cr:0.05% or less, Zn:0.30% or less, Ti:0.15% or less and the balance aluminum with inevitable impurities; and a brightness L* of 72.5 or more and a color difference value &Dgr;E* of 0 to 1.5 measured by using a spectral colorimeter. |
