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Old 06-21-2018, 12:08 PM
bobadame bobadame is offline
MetalShaper of the Month Feb 2015
 
Join Date: May 2009
Location: Fort Collins, Colorado
Posts: 1,192
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That's a beautiful system. By physically locking the pieces together instead of welding, the aluminum retains it's full strength at the joints. Welding always anneals aluminum to condition zero which is several times weaker than the original heat treated strength of the alloy.
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