- 专利标题： NON-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR
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申请号： US17784444申请日： 2020-12-17
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公开(公告)号： US20230021013A1公开(公告)日： 2023-01-19
- 发明人: Se Il LEE , Hyunwoo MUN
- 申请人： POSCO
- 申请人地址： KR Pohang-si, Gyeongsangbuk-do
- 专利权人： POSCO
- 当前专利权人： POSCO
- 当前专利权人地址： KR Pohang-si, Gyeongsangbuk-do
- 优先权： KR10-2019-0170755 20191219
- 国际申请： PCT/KR2020/018616 WO 20201217
- 主分类号： C22C38/08
- IPC分类号： C22C38/08 ; C22C38/00 ; C22C38/02 ; C22C38/06 ; C22C38/04 ; C22C38/16 ; C21D9/46 ; C21D8/02
摘要：
A non-oriented electrical steel sheet according to an embodiment of the present invention includes, in wt %, Si: 1.5% or less, C: 0.01% or less (excluding 0%), Mn: 0.03 to 3%, P: 0.01 to 0.2%, S: 0.001 to 0.02%, Al: 0.01% or less (excluding 0%), N: 0.005% or less (excluding 0%), Cu: 0.02 to 0.3%, 0.0001 to 0.005 wt % of Ca and Mg either alone or in total, 0.001 to 0.2 wt % of Sb and Sn either alone or in total, and a balance of Fe and inevitable impurities.
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