Plated steel material

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United States of America Patent

PATENT NO 12043900
APP PUB NO 20240043980A1
SERIAL NO

18271990

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A plated steel material having a plating layer having an average chemical composition containing, in mass %, Zn: more than 50.00%, Al: more than 15.0% and less than 30.0%, Mg: more than 5.0% and less than 15.0%, and Si: 0.25% or more and less than 3.50%, and impurities, and wherein a total amount (ΣA) of at least one selected from the group consisting of Sn, Bi and In is less than 1.00%, a total amount (ΣB) of at least one selected from the group consisting of Ca, Y, La, Ce and Sr is 0.02% or more and less than 0.60%, 2.0≤SMg/Si<20.0 (Formula 1), 3.0≤Si/ΣB<24.0 (Formula 2), and 26.0≤(Si/ΣB)×(Mg/Si)<375.0 (Formula 3) are satisfied, and in an X-ray diffraction pattern of the surface of the plating layer, a diffraction intensity ratio R1 defined by R1={I(16.18°)+I(32.69°)}/I(27.0°) (Formula 4) satisfies 2.5

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Patent Owner(s)

Patent OwnerAddress
NIPPON STEEL CORPORATION6-1 MARUNOUCHI 2-CHOME CHIYODA-KU TOKYO 1008071 ?1008071

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Goto, Yasuto Tokyo, JP 45 55
Kawamura, Yasuaki Tokyo, JP 16 16
Kawanishi, Koji Tokyo, JP 15 185
Mitsunobu, Takuya Tokyo, JP 51 54
Morishita, Atsushi Tokyo, JP 41 291
Nakamura, Fumiaki Tokyo, JP 38 306
Saito, Mamoru Tokyo, JP 50 124
Toba, Tetsuya Tokyo, JP 5 3
Tokuda, Kohei Tokyo, JP 33 115

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