Electrical steel sheet and method for producing electrical steel sheet
AssigneeNippon Steel Corporation
InventorsKazutoshi Takeda, Hiroyasu Fujii, Masaru Takahashi, Shuichi Yamazaki, Hiroki Hori
Life of this patent
Estimating the term…
Loading patent…
AssigneeNippon Steel Corporation
InventorsKazutoshi Takeda, Hiroyasu Fujii, Masaru Takahashi, Shuichi Yamazaki, Hiroki Hori
Estimating the term…
An electrical steel sheet has an insulation coating on a steel sheet surface. The insulation coating includes: a binder consisting of 100 parts by mass of a metal phosphate and 1 to 50 parts by mass of an organic resin having an average particle size of 0.05 to 0.50 μm; and a carboxylic acid-containing compound with a carbon number of 2 to 50 in an amount of 0.1 to 10.0 parts by mass based on 100 parts by mass of solids content of the binder. The organic resin is at least one selected from the group consisting of acrylic resins, epoxy resins, and polyester resins. The insulation coating of this electrical steel sheet shows good edge corrosion resistance after blanking.
An electrical steel sheet having an insulation coating on a steel sheet surface, wherein the insulation coating comprises:
Dependencies are inferred from the claim text.