发明名称 STEEL SHEET AND ITS PRODUCTION METHOD
摘要 <P>PROBLEM TO BE SOLVED: To provide a steel sheet excellent in press formability and magnetic properties, and to provide its production method. <P>SOLUTION: The steel sheet has a composition containing, by mass, &le;0.005% C, &le;0.1% Si, 0.1 to 0.5% Mn, &le;0.1% P, &le;0.01% S, &le;0.004% sol.Al, &le;0.005% N and &le;0.02% O, and the balance Fe with inevitable impurities, and having the average crystal grain size of &ge;40 &mu;m, and in which the X-ray diffraction intensity in the (222) crystal face parallel to the steel sheet face is &ge;8 times the X-ray diffraction intensity in the (222) crystal face of a standard random sample. <P>COPYRIGHT: (C)2008,JPO&INPIT
申请公布号 JP2007277699(A) 申请公布日期 2007.10.25
申请号 JP20060253614 申请日期 2006.09.20
申请人 JFE STEEL KK 发明人 FUJITA KOICHIRO;KIMURA HIDEYUKI;INOUE TADASHI
分类号 C22C38/00;B21B1/26;B21B3/00;C21D8/12;C21D9/46;C22C38/06;H01F1/16 主分类号 C22C38/00
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