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公开(公告)号:US20230395291A1
公开(公告)日:2023-12-07
申请号:US18271622
申请日:2022-03-30
Applicant: NIPPON STEEL CORPORATION
Inventor: Hiroyasu FUJII , Jun MAKI , Kazutoshi TAKEDA , Akira AKAGI , Yuya FUJII
CPC classification number: H01F1/147 , B32B15/18 , B32B15/043 , C23C22/03 , C23C22/82 , B32B2255/06 , B32B2255/26 , B32B2307/714 , B32B2307/704 , B32B2307/748 , B32B2307/206
Abstract: A non-oriented electrical steel sheet according to an embodiment of the present invention is a non-oriented electrical steel sheet including a base metal steel sheet and a composite coating film that is formed on surfaces of the base metal steel sheet and includes Zn-containing phosphate and an organic resin, wherein the non-oriented electrical steel sheet contains crystalline aluminum phosphate showing diffraction lines belonging to ICDD No. 01-074-3256 when the composite coating film is measured by a wide-angle X-ray diffraction method.