Claims
- 1. A rolled electromagnetic steel sheet having superior formability and magnetic properties, which sheet has a {110}<001> orientation, which sheet comprises Si in a content of about 2.0 to 8.0 wt %, a thickness of about 0.15 mm or more, an average grain diameter of about 0.15 to 2.0 mm and a magnetic flux density of B8>about 1.70 T in the direction of said rolling, which sheet further comprises Mn in a content of about 0.005 to 3.0 wt % and Al in a content of about 0.0010 to 0.012 wt %, with each of Se, S, N and O at a content of not more than about 30 ppm.
- 2. The electromagnetic steel sheet according to claim 1, wherein the total content of Se, S, N and O is not more than about 65 ppm, and the magnetic flux density is B8>about 1.75 T in the direction of said rolling.
- 3. The electromagnetic steel sheet according to claim 1, which further comprises Ni in a content of about 0.01 to 1.50 wt %.
- 4. The electromagnetic steel sheet according to claim 1, which further comprises at least one element selected from the group consisting of Sn in a content of about 0.01 to 0.50 wt %, Sb in a content of about 0.005 to 0.50 wt %, Cu in a content of about 0.01 to 0.50 wt %, Mo in a content of about 0.005 to 0.50 wt % and Cr in a content of about 0.01 to 0.50 wt %.
Priority Claims (2)
Number |
Date |
Country |
Kind |
10-305128 |
Oct 1998 |
JP |
|
10-336996 |
Nov 1998 |
JP |
|
Parent Case Info
This application is a divisional of application Ser. No. 09/427,224, filed Oct. 26, 1999 now U.S. Pat. No. 6,322,635, incorporated herein by reference.
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