发明名称 SOFT MAGNETIC COMPONENT STEEL MATERIAL HAVING EXCELLENT PICKLING PROPERTIES, SOFT MAGNETIC COMPONENT HAVING EXCELLENT CORROSION RESISTANCE AND MAGNETIC PROPERTIES, AND PRODUCTION METHOD THEREFOR
摘要 Provided is a steel material for soft magnetic components, having excellent pickling properties and capable of achieving excellent magnetic properties and corrosion resistance in a final component. The steel material for soft magnetic components comprises, in % by mass, 0.001% - 0.025% C, more than 0% but less than 1.0% Si, 0.1% - 1.0% Mn, more than 0% but no more than 0.030% P, more than 0% but no more than 0.08% S, more than 0% but less than 0.5% Cr, more than 0% but no more than 0.010% Al, and more than 0% but no more than 0.01% N, with the remainder being iron and unavoidable impurities; and is characterized by having a rolled scale including 40 - 80 vol% FeO being formed on the steel material surface.
申请公布号 EP2980248(A1) 申请公布日期 2016.02.03
申请号 EP20140775625 申请日期 2014.03.25
申请人 KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.) 发明人 MASUMOTO, KEI
分类号 C22C38/00;C21D1/76;C21D8/12;C21D9/00;C22C38/60;C23G1/08;H01F1/16 主分类号 C22C38/00
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