Quote:
Originally Posted by Paul Copioli
When it comes to Aluminum you have to mind the post processing, too. 6061 is very weak, but 6061-T6 is quite strong. The T-6 designation is a quenching procedure in hot oil which increases both the yield and ultimate strength of aluminum. There are many other aluminum grades, like 5052-H34, which we use for all of our sheet metal.
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Not to take things TOO far off track, but I was under the impression that -T6 temper was an artificial aging process that would just involve holding the material at a somewhat elevated temperature for a few hours. Specifically, 375F for about 9 hours, according to one google hit. I suppose you could do this in an oil bath, but I don't think I'd call it a quenching process....