Might be too late, but it differs for different types of 2024:

2024-O 18ksi
2024-T3 40ksi
2024-T4, T351 40ksi
2024-T361 (formerly T36) 41ksi
2024-T81, T851 40ksi
2024-T861 (formerly T86) 42ksi

first post stated its T4 :P But its interesting, assuming that those are yield strengths...

your states 40ksi
95nasta'* states 43ksi
my site states 47ksi

wren does your source state % Strain to Failure ?

Those are actually ultimate shearing strength.......from the Machinery'* Handbook (this is the Machinists' Bible, that every designer and shop uses as the final reference for anything).

My brain is on 56k Dial-up this morning.


http://www.aedmotorsport.com/aluminu...3FlatSqBar.htm

http://asm.matweb.com/search/Specifi...ssnum=MA2024T4

http://www.pic-design.com/tech/gear_calc/gear_calc.htm

And the 'Bible' online if you want it is online in PDF format somewhere. I can't find it now.

Awman, I missed all the fun.

:loser: