STAINLESS STEEL SUBSTRATE FOR SOLAR BATTERY HAVING EXCELLENT INSULATION PROPERTIES AND SMALL THERMAL EXPANSION COEFFICIENT, AND PROCESS FOR PRODUCING SAME,申请号WO2014JP62152-传众专利搜索

STAINLESS STEEL SUBSTRATE FOR SOLAR BATTERY HAVING EXCELLENT INSULATION PROPERTIES AND SMALL THERMAL EXPANSION COEFFICIENT, AND PROCESS FOR PRODUCING SAME

申请公布号：WO2014181768(A1)

申请号：WO2014JP62152

申请日期：2014.05.02

申请公布日期：2014.11.13

申请人：

NIPPON STEEL & SUMIKIN STAINLESS STEEL CORPORATION

发明人：HATANO MASAHARU;ISHIMARU EIICHIRO;HATTORI KENJI

分类号：C22C38/00;C21D1/76;C21D9/46;C22C38/38;C22C38/58;C23C8/18;H01L31/0392

主分类号：C22C38/00

摘要：In this stainless steel substrate for a solar battery, an oxide film which contains at least 50% of (i) Al2O3 or which contains (i) Al2O3 and (ii) SiO2 in a total amount of 50% or more is formed on the surface of a stainless steel material having a composition which contains, in mass%, 9 to 25% of Cr, at most 0.03% of C, at most 2% of Mn, at most 0.05% of P, at most 0.01% of S, at most 0.03% of N, 0.005 to 5.0% of Al, and 0.05 to 4.0% of Si with the balance consisting of Fe and unavoidable impurities and which contains at least 0.5% of Al and/or at least 0.4% of Si and satisfies relationship (1): Cr+10Si+Mn+Al > 24.5