Composite aluminum thin plates for brazing and method for preparing same
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United States of America Patent
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Mar 6, 1990
Issued Date -
N/A
app pub date -
Dec 9, 1988
filing date -
Jun 4, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Aluminum thin plates which are used as fins of a heat exchanger can be manufactured, as described in the claims, by controlling the composition of an aluminum alloy, which is used as a core material, and controlling the cold rolling reduction ratio of a clad material composed of the core material and a skin material, after hot rolling. The thus manufactured aluminum thin plates for brazing are excellent in high-temperature sagging resistance and sacrificial anodic effect, whereby it is possible to make the fins thinner.
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