Aluminum alloy plate for automobile structural member, automobile structural member and method for manufacturing aluminum alloy plate for automobile structural member

摘要

Provided are: an aluminum alloy sheet for an automotive structural member, said aluminum alloy sheet having an excellent balance between strength, formability, crush properties, and corrosion resistance; an automotive structural member, and a method for manufacturing the aluminum alloy sheet for the automotive structural member. The aluminum alloy sheet for the automotive structural member is an Al-Mg-Si aluminum alloy sheet containing, in mass%, 0.4% to 1.0% inclusive of Mg, 0.6% to 1.2% inclusive of Si, less than 0.7% of Cu, with the remainder comprising Al and impurities, and exhibits an earing rate of -10.0% to -3.0%.