| 摘要 |
<P>PROBLEM TO BE SOLVED: To stably provide a grain oriented silicon steel sheet which has high B<SB>8</SB>stability. <P>SOLUTION: The grain oriented silicon steel sheet has a composition containing, by mass, ≤0.0060% C, 2.0 to 5.0% Si, 0.03 to 0.20% Mn and 0.0005 to 0.08% Bi, and in which the mean particle diameter of precipitates mainly made up of Bi in ferrite is controlled to ≤2.0 μm. <P>COPYRIGHT: (C)2004,JPO |
