| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a non-oriented electromagnetic steel sheet which is superior in cold rollability, has high yield strength, and has a low core loss in a high-frequency range, and to provide a manufacturing method therefor. <P>SOLUTION: The non-oriented electromagnetic steel sheet comprises, by mass%, 0.02% or less C, 1.6% to 4% Si, 1% or less Mn, 0.2% or less P, 0.03% or less S, 0.1% to 3% Al, 0.010% or less B, more than 1% to 4% Cu and the balance substantially Fe with impurities; and has a yield strength of 500 MPa or higher. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
