Title:
AUSTENITIC/FERRITIC DUAL-PHASE STAINLESS STEEL SHEET FOR FUEL CELL SEPARATOR
Document Type and Number:
WIPO Patent Application WO/2024/042812
Kind Code:
A1
Abstract:
Provided is a stainless steel sheet which is for a fuel cell separator and has excellent press workability and Fe ion elution resistance. The stainless steel sheet has a composition containing, in mass%, 18.0-24.0% of Cr and 3.00% or less of Ni, has a steel microstructure containing an austenitic phase and a ferritic phase, the fraction of the austenitic phase being at least 30% and the total fraction of the austenitic phase and the ferritic phase being at least 95%, and has a total elongation of at least 40%.
Inventors:
MIZUTANI AKITO (JP)
YANO TAKAYOSHI (JP)
YANO TAKAYOSHI (JP)
Application Number:
PCT/JP2023/021047
Publication Date:
February 29, 2024
Filing Date:
June 06, 2023
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
H01M8/021; C21D9/46; C22C38/00; C22C38/40; C22C38/58; H01M8/0228; H01M8/10
Domestic Patent References:
| WO2017141907A1 | 2017-08-24 | |||
| WO2021125531A1 | 2021-06-24 |
Foreign References:
| JP2013093299A | 2013-05-16 |
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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