- Patent Title: Non-oriented electrical steel sheet and method for producing same
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Application No.: US17778178Application Date: 2020-11-20
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Publication No.: US12334237B2Publication Date: 2025-06-17
- Inventor: Hiroyasu Fujii , Jun Maki , Kazutoshi Takeda , Akira Akagi , Hiroyuki Mimura
- Applicant: NIPPON STEEL CORPORATION
- Applicant Address: JP Tokyo
- Assignee: NIPPON STEEL CORPORATION
- Current Assignee: NIPPON STEEL CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2019-210860 20191121
- International Application: PCT/JP2020/043479 WO 20201120
- International Announcement: WO2021/100867 WO 20210527
- Main IPC: H01F1/147
- IPC: H01F1/147 ; B05D3/02 ; B05D7/14 ; C08K3/32 ; H01F41/02
Abstract:
A non-oriented electrical steel sheet according to one embodiment of the present invention includes a base metal steel sheet, and a composite coating film composed of a Zn-containing phosphate and an organic resin, the composite coating film being formed on a surface of the base metal steel sheet, wherein: a content of Zn in the composite coating film is 10 mg/m2 or more per side; and the product of an amount of oxygen in the base metal steel sheet and a sheet thickness of the base metal steel sheet is 50 ppm·mm or less.
Public/Granted literature
- US20230033301A1 NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME Public/Granted day:2023-02-02
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