Fe-based hardfacing alloy
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United States of America Patent
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Issued Date -
Jun 30, 2005
app pub date -
Nov 19, 2003
filing date -
Aug 26, 2002
priority date (Note) -
Abandoned
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Abstract
An iron-based (Fe-based) hardfacing alloy is provided. The Fe-based hardfacing alloy has excellent wear resistance, excellent cavitation erosion resistance, and excellent corrosion resistance, thereby being substituted for a cobalt-based (Co-based) stellite alloy, which has been used for the hardfacing of a nuclear power plant valve. When the provided Fe-based hardfacing alloy is used for the hardfacing of the nuclear power plant valve, inexpensive Fe can be substituted for expensive Co and radiation fields formed by 58Co and 60Co radioactive isotopes can be efficiently reduced.
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