Steel sheet and method for producing same

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12221661
APP PUB NO 20220112569A1
SERIAL NO

17428715

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Abstract

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A steel sheet includes, as a chemical composition, by mass %: C: 0.0015% to 0.0400%; Mn: 0.20% to 1.50%; P: 0.010% to 0.100%; Cr: 0.001% to 0.500%; Si: 0.200% or less; S: 0.020% or less; sol. Al: 0.200% or less; N: 0.0150% or less; Mo: 0% to 0.500%; B: 0% to 0.0100%; Nb: 0% to 0.200%; Ti: 0% to 0.200%; Ni: 0% to 0.200%; Cu: 0% to 0.100%; and a remainder including iron and impurities, in which a metallographic structure in a surface layer region includes ferrite having a volume fraction of 90% or more, and in the surface layer region, an average grain size of the ferrite is 1.0 μm to 15.0 μm, and a texture in which an XODF{001}/{111}, S as a ratio of an intensity of {001} orientation to an intensity of {111} orientation in the ferrite is 0.30 or more and less than 3.50 is included.

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Patent Owner(s)

  • 501 NIPPON STEEL CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Azuma, Masafumi Tokyo, JP 63 464
Kawata, Hiroyuki Tokyo, JP 104 1026
Kubo, Masahiro Tokyo, JP 197 1346
Otsuka, Kenichiro Tokyo, JP 77 298

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