Title:
PHOSPHATED GALVANIZED STEEL SHEET
Document Type and Number:
WIPO Patent Application WO/2006/019173
Kind Code:
A1
Abstract:
Disclosed is a phosphated galvanized steel sheet comprising a steel sheet, a zinc-plating layer of &eegr single phase which is formed on at least one side of the steel sheet and contains Ni in an amount of not less than 10 ppm by mass and not more than the solubility limit thereof, and a phosphate layer which is formed on the zinc-plating layer and contains Mg in an amount of not less than 0.1% by mass and less than 2.0% by mass. Although this steel sheet is not subjected to sealing, it has corrosion resistance equivalent to or higher than those of conventional steel sheets which have been subjected to sealing, while having excellent blackening resistance.
Inventors:
NAKAMARU HIROKI (JP)
TADA CHIYOKO (JP)
YAMASHITA KAZUMI (JP)
SASAOKA HIDEO (JP)
KATO CHIAKI (JP)
TADA CHIYOKO (JP)
YAMASHITA KAZUMI (JP)
SASAOKA HIDEO (JP)
KATO CHIAKI (JP)
Application Number:
PCT/JP2005/015300
Publication Date:
February 23, 2006
Filing Date:
August 17, 2005
Export Citation:
Assignee:
JFE STEEL CORP (JP)
NAKAMARU HIROKI (JP)
TADA CHIYOKO (JP)
YAMASHITA KAZUMI (JP)
SASAOKA HIDEO (JP)
KATO CHIAKI (JP)
NAKAMARU HIROKI (JP)
TADA CHIYOKO (JP)
YAMASHITA KAZUMI (JP)
SASAOKA HIDEO (JP)
KATO CHIAKI (JP)
International Classes:
C23C28/00; C23C22/12; C25D5/26
Foreign References:
| JP2001179874A | 2001-07-03 | |||
| EP1142699A1 | 2001-10-10 | |||
| US6509099B1 | 2003-01-21 |
Other References:
See also references of EP 1783249A4
Attorney, Agent or Firm:
Ochiai, Kenichiro c/o Patent, Application Dept (JFE TECHNO-RESEARCH CORPORATION 7th Floor,
Yanagiya Building, 1-10, Nihonbashi 2 chom, Chuo-ku Tokyo 27, JP)
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