公开(公告)号：US11948710B2

公开(公告)日：2024-04-02

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

IPC: H01F1/147 ,  B32B15/04 ,  B32B15/18 ,  C23C22/03 ,  C23C22/82

CPC classification number: H01F1/147 ,  B32B15/043 ,  B32B15/18 ,  C23C22/03 ,  C23C22/82 ,  B32B2255/06 ,  B32B2255/26 ,  B32B2307/206 ,  B32B2307/704 ,  B32B2307/714 ,  B32B2307/748

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.