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Patent Searching and Data


Title:
BLACK COATED STEEL SHEET
Document Type and Number:
WIPO Patent Application WO/2017/002805
Kind Code:
A1
Abstract:
This black coated steel sheet comprises: a steel sheet; a zinc plating layer which is formed on the steel sheet; a crystalline zinc phosphate coating film which is formed on the zinc plating layer and contains 1.0-5.0% by mass of Mg and 0.05-1.00% by mass of Ni, while being adhered in an amount of 0.5-2.5 g/m2 and having a film thickness of less than 1.00 μm; and a black organic coating film which is formed above the crystalline zinc phosphate coating film and has a film thickness of 1.0-5.0 μm.

Inventors:
ISHIZUKA Kiyokazu (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
OKADA Katsumi (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
KAWAMURA Yasuaki (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
Application Number:
JP2016/069139
Publication Date:
January 05, 2017
Filing Date:
June 28, 2016
Export Citation:
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Assignee:
NIPPON STEEL & SUMITOMO METAL CORPORATION (6-1 Marunouchi 2-chome, Chiyoda-ku Tokyo, 71, 〒1008071, JP)
International Classes:
C23C28/00; B32B15/04; B32B15/08; C23C22/12; C23C22/13
Domestic Patent References:
2014-07-24
Foreign References:
JP2006291280A2006-10-26
JP2002285346A2002-10-03
JP2014000799A2014-01-09
JP2002105668A2002-04-10
JP2002012983A2002-01-15
JP2001073163A2001-03-21
JP2008111174A2008-05-15
JP2013244696A2013-12-09
Attorney, Agent or Firm:
SHIGA Masatake et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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