WO2021125682A3 - 무방향성 전기강판 및 그 제조방법 - Google Patents

무방향성 전기강판 및 그 제조방법 Download PDF

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WO2021125682A3
WO2021125682A3 PCT/KR2020/017975 KR2020017975W WO2021125682A3 WO 2021125682 A3 WO2021125682 A3 WO 2021125682A3 KR 2020017975 W KR2020017975 W KR 2020017975W WO 2021125682 A3 WO2021125682 A3 WO 2021125682A3
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steel sheet
electrical steel
oriented electrical
expression
manufacturing same
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PCT/KR2020/017975
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French (fr)
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WO2021125682A2 (ko
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이헌주
이승곤
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주식회사 포스코
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Priority to JP2022537614A priority Critical patent/JP2023507594A/ja
Priority to US17/785,512 priority patent/US20230045797A1/en
Priority to CN202080096305.0A priority patent/CN115087757B/zh
Priority to EP20903943.7A priority patent/EP4079896A4/en
Publication of WO2021125682A2 publication Critical patent/WO2021125682A2/ko
Publication of WO2021125682A3 publication Critical patent/WO2021125682A3/ko

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Abstract

본 발명의 일 실시예에 의한 무방향성 전기강판은 중량%로, Si: 1.5 내지 4.0%, Al: 0.5 내지 1.5%, Mn: 0.05 내지 0.55%, C: 0.005% 이하, Ti: 0.004% 이하(0%를 제외함), N: 0.005% 이하(0%를 제외함), S:0.005% 이하(0%를 제외함) 및 Cu: 0.01% 이하(0%를 제외함) 포함하고, 잔부 Fe 및 불가피한 불순물을 포함하고, 하기 식 1 및 식 2를 만족한다. [식 1] [N] ≤ 0.005×([Al]+[Ti]) [식 2] [S] ≤ 0.01×([Mn]+[Cu]) (식 1 및 식 2에서, [N], [Al], [Ti], [S], [Mn] 및 [Cu]는 각각 N, Al, Ti, S, Mn 및 Cu의 함량(중량%)을 나타낸다.)
PCT/KR2020/017975 2019-12-20 2020-12-09 무방향성 전기강판 및 그 제조방법 WO2021125682A2 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2022537614A JP2023507594A (ja) 2019-12-20 2020-12-09 無方向性電磁鋼板およびその製造方法
US17/785,512 US20230045797A1 (en) 2019-12-20 2020-12-09 Non-oriented electrical steel sheet, and method for manufacturing same
CN202080096305.0A CN115087757B (zh) 2019-12-20 2020-12-09 无取向电工钢板及其制造方法
EP20903943.7A EP4079896A4 (en) 2019-12-20 2020-12-09 NON-ORIENTED ELECTRICAL STEEL SHEET, AND METHOD OF MANUFACTURING THEREOF

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KR1020190171450A KR102325005B1 (ko) 2019-12-20 2019-12-20 무방향성 전기강판 및 그 제조방법
KR10-2019-0171450 2019-12-20

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WO2021125682A2 WO2021125682A2 (ko) 2021-06-24
WO2021125682A3 true WO2021125682A3 (ko) 2021-08-05

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WO2023149249A1 (ja) * 2022-02-02 2023-08-10 Ｊｆｅスチール株式会社 無方向性電磁鋼板およびその製造方法
KR102464576B1 (ko) * 2022-05-27 2022-11-09 주식회사 썸백 무방향성 전기강판 및 그 제조방법
KR20240011530A (ko) * 2022-07-19 2024-01-26 현대제철 주식회사 무방향성 전기강판 및 그 제조 방법
KR20240012071A (ko) * 2022-07-20 2024-01-29 현대제철 주식회사 무방향성 전기강판 및 그 제조 방법

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KR20210080657A (ko) 2021-07-01
CN115087757B (zh) 2023-11-14
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EP4079896A2 (en) 2022-10-26

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