SOFT MAGNETIC STEEL AND METHOD FOR MANUFACTURING SAME, AND SOFT MAGNETIC COMPONENT OBTAINED FROM SOFT MAGNETIC STEEL

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United States of America Patent

SERIAL NO

15038756

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Abstract

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An object of the present invention to provide a soft magnetic steel that improves the magnetic properties, that is, the soft magnetic properties, the cold forgeability, and the magnetic aging characteristics without adding a large amount of alloy elements. The present invention is directed to a soft magnetic steel, including C, Mn, P, S, Al, and N in each predetermined amount, in which an area ratio of carbides and carbonitrides that have a thickness of less than 0.4 μm is 0.20 area % or less, and an area ratio M of carbides and carbonitrides that have a thickness of 0.4 μm or more in terms of percentage satisfies a relationship represented by the formula (1) below:

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Patent Owner(s)

Patent OwnerAddress
KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL LTD )KOBE-SHI HYOGO 651-8585

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
CHIBA, Masamichi Kobe-shi, JP 18 26
MASUMOTO, Kei Kobe-shi, JP 6 3

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