Aluminum alloy for extrusion and drawing processes

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United States of America Patent

PATENT NO 9631879
APP PUB NO 20140048239A1
SERIAL NO

13946049

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Abstract

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An extrudable aluminum alloy composition includes, in weight percent, between 0.60 and 0.90 manganese, between 0.45 and 0.75 copper, between 0.05 and 0.24 magnesium, less than 0.30 iron, less than 0.30 silicon, less than 0.05 titanium, less than 0.05 vanadium, and a Cu/Mg ratio higher or equal to 3. It also relates to aluminum alloy heat exchanger extruded or drawn tube and extruded or drawn aluminum alloy tubing having the above-described aluminum alloy composition. It also relates to a heat exchanger comprising a plurality of extruded or drawn tube sections having the above-described aluminum alloy composition and a process for manufacturing same.

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Patent Owner(s)

Patent OwnerAddress
RIO TINTO ALCAN INTERNATIONAL LIMITEDMONTRÉAL QUÉBEC H3B 0E3

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Parson, Nicholas Charles Kingston, CA 13 47

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