Machinable brass compositions
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United States of America Patent
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Sep 17, 1996
Issued Date -
N/A
app pub date -
May 19, 1995
filing date -
Jan 29, 1991
priority date (Note) -
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Abstract
Brass powder metallurgy compositions for use in manufacturing a brass part by powder metallurgy techniques. The compositions comprise from about 70-90% wt. copper, 10-30% wt. zinc, and from about 0.1-1.5% wt. graphite as an addition to improve the machinability of the resultant compacted brass part. The compositions preferably contain less than 2% wt. lead.
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