Precipitation-hardened soft magnetic ferritic stainless steels
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United States of America Patent
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Issued Date -
Oct 16, 2003
app pub date -
Aug 28, 2002
filing date -
Apr 15, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A precipitation-hardened soft magnetic ferritic stainless steel comprises C: not more than 0.2 mass %, Si: 0.01-3.0 mass %, Mn: not more than 0.5 mass %, S: not more than 0.3 mass %, Cr: 12.0-19.0 mass %, Ni: 1.0-4.0 mass % and Al: 0.2-4.0 mass % and further contains at least one of Ti: less than 0.5 mass % and Zr: less than 0.3 mass % and the remainder being inevitable impurities and Fe, and has substantially a microstructure of a ferrite phase after a solution treatment and an aging treatment.
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