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Title:
Ni DIFFUSION PLATED STEEL SHEET AND METHOD FOR PRODUCING Ni DIFFUSION PLATED STEEL SHEET
Document Type and Number:
WIPO Patent Application WO/2019/198819
Kind Code:
A1
Abstract:
This Ni diffusion plated steel sheet is provided with a base steel sheet and an Fe-Ni diffusion alloy plating layer which is positioned on at least one surface of the base steel sheet. The adhesion amount of Ni in the Fe-Ni diffusion alloy plating layer is 9.0-20 g/m2; the Fe concentration Cs in the outermost layer of the Fe-Ni diffusion alloy plating layer is 10-55% by mass; the base steel sheet has a specific chemical composition; and the ferrite grain size number of the base steel sheet according to JIS G 0551 (2013) is 11.0 or greater.

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Inventors:
TAKAHASHI TAKEHIRO (JP)
ISHIZUKA KIYOKAZU (JP)
GOTO YASUTO (JP)
Application Number:
PCT/JP2019/015978
Publication Date:
October 17, 2019
Filing Date:
April 12, 2019
Export Citation:
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Assignee:
NIPPON STEEL CORP (JP)
International Classes:
C25D5/50; C21D9/46; C22C38/00; C22C38/06; C25D3/12; C25D5/26; C25D7/00; H01M50/10; H01M50/145
Domestic Patent References:
WO2016013575A12016-01-28
WO2017094920A12017-06-08
Foreign References:
JP2014009401A2014-01-20
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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