Title:
HOT-DIP GALVANNEALED STEEL SHEET
Document Type and Number:
WIPO Patent Application WO/2013/103117
Kind Code:
A1
Abstract:
The objective of this invention is to provide a hot-dip galvannealed steel sheet having excellent chipping resistance and after-coating adherence while ensuring corrosion resistance. This hot-dip galvannealed steel sheet has a base material steel sheet having a predetermined component composition and a hot-dip galvannealed layer containing by mass 7-15% Fe provided on the base material steel sheet surface, wherein the hot-dip galvannealed steel sheet is characterized by containing within the hot-dip galvannealed layer at least 0.01% by mass of a precipitate including one or more elements selected from the group consisting of Ti, Nb, V, Mo, and W.
Inventors:
NAGANO HIDEKI (JP)
HARAKO DAISUKE (JP)
TANAKA YUJI (JP)
HARAKO DAISUKE (JP)
TANAKA YUJI (JP)
Application Number:
PCT/JP2012/083671
Publication Date:
July 11, 2013
Filing Date:
December 26, 2012
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
C22C38/00; C21D9/46; C22C18/00; C22C38/14; C23C2/06; C23C2/28
Domestic Patent References:
| WO2011122030A1 | 2011-10-06 | |||
| WO2010061957A1 | 2010-06-03 |
Foreign References:
| JPH0681100A | 1994-03-22 | |||
| JP2012188746A | 2012-10-04 | |||
| JP2002322543A | 2002-11-08 | |||
| JP2003321736A | 2003-11-14 | |||
| JPH11200000A | 1999-07-27 | |||
| JPH04280953A | 1992-10-06 |
Other References:
See also references of EP 2801634A4
Attorney, Agent or Firm:
WATANABE Mochitoshi et al. (JP)
Mochitoshi Watanabe (JP)
Mochitoshi Watanabe (JP)
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Claims: