6061 vs 6069(alloy) aluminum

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6061 vs 6069(alloy) aluminum
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flag bikrboij
Posted: Mar 31, 2008 at 18:14 Quote
What is the difference?
flag lelandjt
Posted: Mar 31, 2008 at 23:08 Quote
I'm gonna guess silicon content. As far as properties I think all 6000 series alloys are similar. This is pulled from distant memory.
flag siders
Posted: Apr 1, 2008 at 1:29 Quote
is it not that one has more magnesium making it lighter
flag diablo-dave
O+
Posted: Apr 1, 2008 at 10:11 Quote
siders wrote:
is it not that one has more magnesium making it lighter

Actually the density of the two alloys are vary close (2.70 to 2.72 g/cc), the major difference is the up to 40% increase in tensile strength of the 6069 series alloys, although this depends on which tempering is done.
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