Invention Grant
- Patent Title: Non-oriented electrical steel sheet
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Application No.: US16470122Application Date: 2018-01-16
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Publication No.: US11053574B2Publication Date: 2021-07-06
- Inventor: Hiroyoshi Yashiki , Yoshiaki Natori , Kazutoshi Takeda , Susumu Mukawa , Takuya Matsumoto , Koji Fujita , Takashi Morohoshi , Masafumi Miyazaki
- 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: JPJP2017-005212 20170116
- International Application: PCT/JP2018/000981 WO 20180116
- International Announcement: WO2018/131712 WO 20180719
- Main IPC: C22C38/60
- IPC: C22C38/60 ; C22C38/00 ; C22C38/14 ; C22C38/04 ; C22C38/06 ; C22C38/02 ; C21D9/46 ; C21D8/12 ; C21D6/00 ; H01F1/147

Abstract:
A non-oriented electrical steel sheet according to an aspect of the present invention contains, as a chemical composition, by mass %, C: more than 0% and 0.0050% or less, Si: 3.0% to 4.0%, Mn: 1.2% to 3.3%, P: more than 0% and less than 0.030%, S: more than 0% and 0.0050% or less, sol. Al: more than 0% and 0.0040% or less, N: more than 0% and 0.0040% or less, one or more of La, Ce, Pr, and Nd: 0.0005% to 0.0200% in total, Ca: 0.0005% to 0.0100%, Ti: 0.0005% to 0.0100%, Sn: 0% to 0.10%, Sb: 0% to 0.10%, Mg: 0% to 0.0100%, and a remainder including Fe and impurities, in which Si−0.5×Mn: 2.0% or more, and Si+0.5×Mn: 3.8% or more.
Public/Granted literature
- US20190316239A1 NON-ORIENTED ELECTRICAL STEEL SHEET Public/Granted day:2019-10-17
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