Aluminum alloy composition, article and method of use
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United States of America Patent
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Sep 23, 2003
Issued Date -
N/A
app pub date -
Nov 17, 2000
filing date -
May 19, 1998
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Expired
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Abstract
An aluminum alloy composition consists essentially of controlled amounts of iron, silicon, copper, manganese, magnesium, titanium, zinc, zirconium, and free machining elements with the balance being aluminum and incidental impurities. The alloy provides improvements in combined strength, corrosion resistance, machinability, and brazeability. A component or article made from the aluminum alloy can be machined to the right configuration and can be brazed to another component to form a high quality brazed joint. In addition, the article can withstand corrosive environments and has the necessary mechanical properties to interface with other components. The alloy is adapted for particular use as a component in a heat exchanger assembly, such as a connector block having one or more machined surfaces or passageways.
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