Black-plated steel sheet

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United States of America Patent

PATENT NO 9863027
APP PUB NO 20150072166A1
SERIAL NO

14395521

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Abstract

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A black-plated steel sheet has a Zn-plating layer containing molten Al and Mg, containing Al in the amount of 1.0-22.0 mass %, containing Mg in the amount of 1.3-10.0 mass %, and having a Zn black oxide distributed in a lamella pattern in the plating layer. The Zn black oxide is a Zn oxide derived from a Zn2Mg phase. The brightness of the surface of the Zn-plating layer containing the molten Al and Mg has an L* value of 60 or less.

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Patent Owner(s)

Patent OwnerAddress
NISSHIN STEEL CO LTDCHIYODA-KU TOKYO 100-8366

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nakano, Tadashi Tokyo, JP 61 689
Taketsu, Hirofumi Tokyo, JP 19 54
Yamamoto, Masaya Tokyo, JP 304 4288

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