Ferritic stainless steel for heat exchanger
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United States of America Patent
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Apr 30, 1996
Grant Date -
N/A
app pub date -
Apr 18, 1995
filing date -
Apr 22, 1994
priority date (Note) -
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Abstract
A ferritic stainless steel comprises C: not more than 0.025 wt %, Si: not more than 0.10 wt %, Mn: not more than 1.0 wt %, Cr: 17.0-25.0 wt %, Ni: not more than 0.50 wt %, Mo: 0.50-2.00 wt %, Al: not more than 0.025 wt %, N: not more than 0.025 wt %, at least one of Nb: 10(C wt %+N wt %)-1.0 wt % and Ti: 10(C wt %+N wt %)-1.0 wt %, and the balance being substantially Fe and inevitable impurities and is effectively used in various heat exchangers.
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