aluminum rectangular tubing
 

aluminum rectangular tubing
i am trying to find aluminum rectangular tubing that is about 4" x 2" and has a generous wall thickness. i would prefer 6061-t6, however at this point any type and temper would do.
does anyone out there have a material data sheet for someting meeting these specs. i am guessing that the shapes for aluminum rectangular tubing might be in an aluminum design manual.
thanks
weron4u
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the only vendor i am aware of that has 2 x 4 x 1/4 (6063-t52) tubing is vincent metal goods headquartered in minneapolis. aluminum rectangular tubing is generally 6063-t52. the aluminum association's aluminum design manual has the data you are looking for. referring to 6063-t5 specs; yield in tension is 21ksi, modulus is 10000000 psi. allowables can be found in the manual. note that if you have loads within an inch of a weld there is a substantial reduction in your allowables.