Iron-based powder composition
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United States of America Patent
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Feb 17, 2009
Grant Date -
Aug 30, 2007
app pub date -
Apr 25, 2005
filing date -
Apr 26, 2004
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Abstract
The invention concerns an iron-based powder composition comprising, in addition to the iron-based powder, 0.02% and 1.0%, weight of a machinability improving additive, comprising calcium fluoride and hexagonal boron nitride. The invention also concerns the additive per se.
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