Chemical treatment steel sheet, and method for producing chemical treatment steel sheet

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United States of America Patent

PATENT NO 10294577
APP PUB NO 20170253984A1
SERIAL NO

15320404

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Abstract

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Provided is a chemical treatment steel sheet including a steel sheet; a composite coated layer which is formed on at least one surface of the steel sheet, and contains 2 to 200 mg/m2 of Ni in terms of an amount of metal Ni and 0.1 to 10 g/m2 of Sn in terms of an amount of metal Sn, and in which an island-shaped Sn coated layer is formed on an Fe—Ni—Sn alloy layer; and a chemical treatment layer that is formed on the composite coated layer, and contains a 0.01 to 0.1 mg/m2 of Zr compounds in terms of an amount of metal Zr and 0.01 to 5 mg/m2 of phosphate compounds in terms of an amount of P.

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Patent Owner(s)

  • NIPPON STEEL & SUMITOMO METAL CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hirano, Shigeru Kitakyushu, JP 63 257
Kawabata, Makoto Banglamung, TH 28 261
Tachiki, Akira Kitakyushu, JP 22 71
Tani, Yoshiaki Kitakyushu, JP 23 56
Yanagihara, Morio Wuhan, CN 14 22
Yokoya, Hirokazu Onga-gun, JP 28 64

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