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FERRITIC STAINLESS STEEL SHEET EXCELLENT IN ELECTRICAL CONDUCTIVITY AND ADHESION OF OXIDE FILM 发明授权

2023-07-20 4370 240K 0

专利信息

申请日期 2025-07-12 申请号 EP15737113
公开(公告)号 EP3095888B1 公开(公告)日 2019-08-14
公开国别 EP 申请人省市代码 全国
申请人 Nippon Steel Sumikin Stainless Steel Corporation
简介 Provided is a ferritic stainless steel sheet for SOFC separator use not impaired in electrical conductivity and adhesion of the oxide film and excellent in durability without relying on the addition of rare earth elements. A ferritic stainless steel sheet excellent in electrical conductivity and adhesion of an oxide film comprised of steel containing, by mass%, C : 0.02% or less, Si : 0.15% or less, Mn : 0.3 to 1%, P : 0.04% or less, S : 0.003% or less, Cr : 20 to 25%, Mo : 0.5 to 2%, Al : 0.1% or less, N : 0.02% or less, and Ti : 0.001 to 0.5%, having a balance of Fe and unavoidable impurities, and satisfying the formula (1) 2.5 < Mn / Si + Al < 8.0 wherein [Mn], [Si], and [Al] mean contents (mass%) of the elements, respectively.


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