Hot-dip Zn-based plated steel sheet

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United States of America

PATENT NO 12247293
APP PUB NO 20240002991A1
SERIAL NO

18041919

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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This hot-dip Zn-based plated steel sheet includes a steel sheet and a plating layer formed on at least part of a surface of the steel sheet, in which the plating layer has a chemical composition that includes, by mass %, Al: 6.00% to 35.00%, Mg: 2.00% to 12.00%, Ca: 0.005% to 2.00%, Si: 0% to 2.00%, Fe: 0% to 2.00%, Sb: 0% to 0.50%, Sr: 0% to 0.50%, Pb: 0% to 0.50%, Sn; 0% to 1.00%, Cu: 0% to 1.00%, Ti: 0% to 1.00%, Ni: 0% to 1.00%, Mn: 0% to 1.00%, Cr: 0% to 1.00%, and a remainder: Zn and impurities; the plating layer has an area ratio of a MgZn2 phase in a range of 15% to 60% in a cross section in a thickness direction, and the MgZn2 phase includes a Ca-based intermetallic compound having a circle equivalent diameter of 0.10 μm or smaller.

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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
Akahoshi, Makoto Tokyo, JP 1 0
Mitsunobu, Takuya Tokyo, JP 51 54
Takahashi, Takehiro Tokyo, JP 133 694
Takebayashi, Hiroshi Tokyo, JP 103 140

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