It would indeed appear, by metallurgical analysis, that it does qualify as a 7000 series alloy, but one of Apple's own devising. http://leancrew.com/all-this/2

It would indeed appear, by metallurgical analysis, that it does qualify as a 7000 series alloy, but one of Apple's own devising. http://leancrew.com/all-this/2015/08/aluminum-and-strength/ http://leancrew.com/all-this/2015/08/aluminum-and-strength/