Copper alloy and method
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United States of America Patent
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Dec 24, 1991
Issued Date -
N/A
app pub date -
Oct 12, 1990
filing date -
Jun 20, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Method of making a copper alloy to be used as a mold for continuous casting and comprising from 0.05% to 0.4% zinc; from 0.02% to 0.3% magnesium; from 0.02% to 0.2% phosphorus; all percentages by weight; the remainder being copper, and inevitable impurities; the alloy is cast and hot worked possibly followed by quenching and cold working with at least 10% deformation; the alloy is then annealed from 1 to 6 hours at a temperature from 300.degree. to 550.degree. centigrade; and finally cold worked with at least 10% deformation.
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