Title:
HOT-DIPPED GALVANIZED STEEL SHEET AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2017/115846
Kind Code:
A1
Abstract:
This hot-dipped galvanized steel sheet is provided with: a steel sheet; a hot dip galvanization layer which is provided on the surface of the steel sheet and contains 0.05-2.00% by mass of Mg, 0.1% by mass or more but less than 1.0% by mass of Al and 0.05-2.00% by mass of Ni, with the balance made up of Zn and impurities; a Co-Mg-Zn layer which is provided on the surface of the hot dip galvanization layer and contains Mg, Zn and 0.1-2.0 mg/m2 of Co precipitates in terms of Co metal; and an organic resin coating film which is provided on the upper part of the Co-Mg-Zn layer.
Inventors:
ISHIZUKA KIYOKAZU (JP)
YAMAMOTO TAKEHIRO (JP)
YAMATO NAOYUKI (JP)
NISHIMURA NOBUAKI (JP)
SAITO MAMORU (JP)
SHINDO HIDETOSHI (JP)
YAMAMOTO TAKEHIRO (JP)
YAMATO NAOYUKI (JP)
NISHIMURA NOBUAKI (JP)
SAITO MAMORU (JP)
SHINDO HIDETOSHI (JP)
Application Number:
PCT/JP2016/089108
Publication Date:
July 06, 2017
Filing Date:
December 28, 2016
Export Citation:
Assignee:
NIPPON STEEL & SUMITOMO METAL CORP (JP)
International Classes:
C23C28/00; B32B15/18; C23C2/06; C23C22/53
Foreign References:
| JP2002187234A | 2002-07-02 | |||
| JP2001279470A | 2001-10-10 | |||
| JP2009113389A | 2009-05-28 | |||
| JP2012251247A | 2012-12-20 |
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
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