| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a nonoriented electrical steel sheet capable of suppressing the degradation of magnetic properties when acting stress. <P>SOLUTION: The nonoriented electrical steel sheet contains, by mass%, Si: 2.0%-4.0%, Al: 0.01%-1.0%, and Mn: 0.05%-1.0%, wherein content of C is 0.0040% or less, content of P is 0.3% or less, content of S is ≤0.0040%, content of N is ≤0.0040%, and the balance Fe with inevitable impurities, and an magnetostriction constant λ<SB>100</SB>is ≤35×10<SP>-6</SP>. <P>COPYRIGHT: (C)2011,JPO&INPIT |
