Steel sheet

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United States of America Patent

PATENT NO 10337092
APP PUB NO 20160076123A1
SERIAL NO

14785788

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Abstract

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A steel sheet according to the present invention includes a predetermined chemical composition, in which amounts of each elements by mass % in the chemical composition satisfy both of expression “0.3000≤{Ca/40.88+(REM/140)/2}/(S/32.07)” and expression “Ca≤0.0058−0.0050×C”, and a number density of carbonitrides including Ti which exists independently and has a long side of 5 μm or more is limited to 5 pieces/mm2 or less.

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Patent Owner(s)

Patent OwnerAddress
NIPPON STEEL CORPORATIONTOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aramaki, Takashi Kitakyushu, JP 111 1291
Morohoshi, Takashi Kisarazu, JP 20 96
Zeze, Masafumi Kitakyushu, JP 7 32

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