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6063-T5 vs. 6063-T52

6063-T5 vs. 6063-T52

6063-T5 vs. 6063-T52

(OP)
Hello,

I was recently working on a part which is made from a sharp corner angle, 1.250" x 1.250" x .125" thick. The material is required to be 6063-T5. Unfortunately, we cannot find this material in this temper, as the only temper available for 6063 angles is -T52. I know that -T52 is solution heat treated, aged, then stress relieved through compression. Why would a 6063 angle only be available after stress relief through compression? Does the chemistry of this alloy after extrusion make residual stresses so high that distortion requires stress relief?

Also, why is this alloy only stress relieved via compression instead of 6061 alloys which are commonly stress relieved through stretching?

Thanks

RE: 6063-T5 vs. 6063-T52

WHAT IS THE MATERIAL SPECIFICATION for Your 6063 extrusion?

I looked at several temper designation documents... the '2' in -T52 may NOT mean what You think it means... the specification likely explains the meaning.

Regards, Wil Taylor
o Trust - But Verify!
o We believe to be true what we prefer to be true. [Unknown]
o For those who believe, no proof is required; for those who cannot believe, no proof is possible. [variation,Stuart Chase]
o Unfortunately, in science what You 'believe' is irrelevant. ["Orion", Homebuiltairplanes.com forum]

RE: 6063-T5 vs. 6063-T52

T552, not T52, is stress relieved through compression.
T5 is artificially aged.
I do not find T52 in the (European) aluminium standards.

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