Non-oriented electrical steel sheet and method for manufacturing same
AssigneeNippon Steel Corporation
InventorsKazutoshi Takeda, Minako Fukuchi, Yoshiaki Natori, Hiroyasu Fujii, Shinsuke Takatani
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Abstract
This non-oriented electrical steel sheet includes a base steel sheet (10); and an insulation coating (20) formed on a surface of the base steel sheet (10), in which the insulation coating (20) contains a metal phosphate and an organic resin, an arithmetic mean of a center line average roughness Ra75 of the insulation coating (20) in a rolling direction of the base steel sheet (10) and a center line average roughness Ra75 of the insulation coating (20) in a direction perpendicular to the rolling direction is 0.20 to 0.50 μm, and the amount of nitrogen in the insulation coating (20) is 0.05 to 5.00 mass %.
Claims9
A non-oriented electrical steel sheet comprising:
- a base steel sheet;
- and
- an insulation coating formed on a surface of the base steel sheet,
- wherein the insulation coating contains
- a metal phosphate and
- an organic resin,
- wherein an arithmetic mean of a center line average roughness Ra75 of the insulation coating in a rolling direction of the base steel sheet and a center line average roughness Ra75 of the insulation coating in a direction perpendicular to the rolling direction is 0.20 to 0.50 μm, and
- wherein an amount of nitrogen in the insulation coating is 0.05 to 5.00 mass %.
Dependencies are inferred from the claim text.