Title:
HOT-DIPPED Al COATED STEEL SHEET AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2018/181392
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a hot-dipped Al coated steel sheet which has excellent corrosion resistance after coating and excellent corrosion resistance after processing. In order to solve the above-described problem, a hot-dipped Al coated steel sheet according to the present invention is provided with a coating film that is composed of a coating layer and an interfacial alloy layer that is present at the interface between the coating layer and a base steel sheet; and this hot-dipped Al coated steel sheet is characterized in that the interfacial alloy layer contains Mn and the coating layer contains an Mg2Si phase that has a length of 5 μm or more.
Inventors:
SATO RINTA (JP)
YAMAMOTO SHUNSUKE (JP)
ANDO SATORU (JP)
YAMAMOTO SHUNSUKE (JP)
ANDO SATORU (JP)
Application Number:
PCT/JP2018/012570
Publication Date:
October 04, 2018
Filing Date:
March 27, 2018
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
C23C2/12; C22C21/02; C22C21/06; C23C2/28
Domestic Patent References:
| WO2007029322A1 | 2007-03-15 |
Foreign References:
| JP2012007245A | 2012-01-12 | |||
| JP2000239820A | 2000-09-05 | |||
| JP4199404B2 | 2008-12-17 | |||
| JPS5430022B1 | 1979-09-27 |
Other References:
See also references of EP 3604604A4
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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