7075-T6 must be special made in Arizona (according to Tull Metals). Its for
use in the space program and HD industrial applications. I found this out
when buying parts for the Mexican Space Program as the University of Mexico
(UNAM) UNAMSAT30. Its just luck if the have some in stock.
>OK, I give up.
>I have been trying for DAYS to find a source of 2" OD, 0.375" wall 7075-T6
>extruded aluminum tubing.
>Nobody seems to have any. I have called more than 9 places, from coast to
>coast. Only an Iranian website had any hope of providing this stuff, and
>I'll be damned if I have to buy it from the Iranians.
>I need at least a 16' long piece, and would take as much as 20' if I had
>to, in order to get it. I do not want to weld 2 pieces together.
>I need the aluminum because I have a weight restriction, and steel is just
>too heavy for my application. I am fully aware that this material runs $40
>a foot, versus chrome-moly 4043 at $20 or so.
>The aluminum weighs 2 1/4 lbs. a foot, and the steel is between 6 1/2 and 7
>1/2 lbs. foot. That's 36 lbs. versus 120 lbs.! I'll pay for the aluminum.
>And yes, I am also aware that the yield strength is lower... 110 kpsi
>versus 73 kpsi. My calculations show I need 59 kpsi to survive a 90 mph
>Can anyone help with a source for this 'rare' pipe?
>Replies via the reflector, or e-mail at email@example.com, or
>telephone 800-343-8977 ext. 29045.
>TIA 73 Steve KZ1X/4
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