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US 2020/0399732 A1Published application
Grain-oriented electrical steel sheet and method for producing thereof
AssigneeNippon Steel Corporation
InventorsTakashi KATAOKA, Nobusato MORISHIGE, Haruhiko ATSUMI, Kazutoshi TAKEDA, Shin FURUTAKU, Hirotoshi TADA, Ryosuke TOMIOKA
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Abstract
A grain-oriented electrical steel sheet includes: a silicon steel sheet including Si and Mn; a glass film arranged on a surface of the silicon steel sheet; and an insulation coating arranged on a surface of the glass film, wherein the glass film includes a Mn-containing oxide.
Claims20
1-15. (canceled)
A grain-oriented electrical steel sheet comprising:
- a silicon steel sheet including, as a chemical composition, by mass %,
- 2.50 to 4.0% of Si,
- 0.010 to 0.50% of Mn,
- 0 to 0.20% of C,
- 0 to 0.070% of acid-soluble Al,
- 0 to 0.020% of N,
- 0 to 0.080% of S,
- 0 to 0.020% of Bi,
- 0 to 0.50% of Sn,
- 0 to 0.50% of Cr,
- 0 to 1.0% of Cu, and
- a balance consisting of Fe and impurities;
- a glass film arranged on a surface of the silicon steel sheet;
- and
- an insulation coating arranged on a surface of the glass film,
- wherein the glass film includes a Mn-containing oxide.
13 more elements
A grain-oriented electrical steel sheet comprising:
- a silicon steel sheet including, as a chemical composition, by mass %,
- 2.50 to 4.0% of Si,
- 0.010 to 0.50% of Mn,
- 0 to 0.20% of C,
- 0 to 0.070% of acid-soluble Al,
- 0 to 0.020% of N,
- 0 to 0.080% of S,
- 0 to 0.020% of Bi,
- 0 to 0.50% of Sn,
- 0 to 0.50% of Cr,
- 0 to 1.0% of Cu, and
- a balance comprising Fe and impurities;
- a glass film arranged on a surface of the silicon steel sheet;
- and
- an insulation coating arranged on a surface of the glass film,
- wherein the glass film includes a Mn-containing oxide.
13 more elements
Dependencies are inferred from the claim text.