| 摘要 |
One aspect of the present invention relates to a structural aluminum alloy plate that comprises 7.0% to 12.0% by mass of Zn, 1.5% to 4.5% by mass of Mg, 1.0% to 3.0% by mass of Cu, 0.05% to 0.30% by mass of Zr, 0.005% to 0.5% by mass of Ti, 0.5% or less by mass of Si, 0.5% or less by mass of Fe, 0.3% or less by mass of Mn, 0.3% or less by mass of Cr, and the balance that comprises aluminum and inevitable impurities, and also relates to a method of producing the structural aluminum alloy plate. |
