PL3656885T3 - Blacha cienka z niezorientowanej stali elektrotechnicznej - Google Patents

Blacha cienka z niezorientowanej stali elektrotechnicznej

Info

Publication number
PL3656885T3
PL3656885T3 PL18835029.2T PL18835029T PL3656885T3 PL 3656885 T3 PL3656885 T3 PL 3656885T3 PL 18835029 T PL18835029 T PL 18835029T PL 3656885 T3 PL3656885 T3 PL 3656885T3
Authority
PL
Poland
Prior art keywords
steel sheet
electrical steel
oriented electrical
oriented
sheet
Prior art date
Application number
PL18835029.2T
Other languages
English (en)
Inventor
Yoshiaki Natori
Kazutoshi Takeda
Hiroyoshi Yashiki
Miho Tomita
Hiroshi Fujimura
Takeaki Wakisaka
Tesshu Murakawa
Takuya Matsumoto
Hiroki Hori
Yuuya Gohmoto
O Uyama
Original Assignee
Nippon Steel Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=65015231&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PL3656885(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nippon Steel Corporation filed Critical Nippon Steel Corporation
Publication of PL3656885T3 publication Critical patent/PL3656885T3/pl

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/001—Heat treatment of ferrous alloys containing Ni
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the working steps
    • C21D8/1222—Hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment
    • C21D8/1261—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment following hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment
    • C21D8/1272—Final recrystallisation annealing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1277—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular surface treatment
    • C21D8/1283—Application of a separating or insulating coating
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/147—Alloys characterised by their composition
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/147—Alloys characterised by their composition
    • H01F1/14766—Fe-Si based alloys
    • H01F1/14775—Fe-Si based alloys in the form of sheets
    • H01F1/14783—Fe-Si based alloys in the form of sheets with insulating coating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Soft Magnetic Materials (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Heat Treatment Of Articles (AREA)
PL18835029.2T 2017-07-19 2018-07-19 Blacha cienka z niezorientowanej stali elektrotechnicznej PL3656885T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017139765 2017-07-19
PCT/JP2018/027078 WO2019017426A1 (ja) 2017-07-19 2018-07-19 無方向性電磁鋼板

Publications (1)

Publication Number Publication Date
PL3656885T3 true PL3656885T3 (pl) 2025-07-14

Family

ID=65015231

Family Applications (1)

Application Number Title Priority Date Filing Date
PL18835029.2T PL3656885T3 (pl) 2017-07-19 2018-07-19 Blacha cienka z niezorientowanej stali elektrotechnicznej

Country Status (9)

Country Link
US (1) US11279985B2 (pl)
EP (1) EP3656885B1 (pl)
JP (1) JP6478004B1 (pl)
KR (1) KR102107439B1 (pl)
CN (1) CN110573643B (pl)
BR (1) BR112019021222B1 (pl)
PL (1) PL3656885T3 (pl)
TW (1) TWI683009B (pl)
WO (1) WO2019017426A1 (pl)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12148555B2 (en) 2018-11-02 2024-11-19 Nippon Steel Corporation Non-oriented electrical steel sheet
TWI722636B (zh) 2018-11-02 2021-03-21 日商日本製鐵股份有限公司 無方向性電磁鋼板
MX2021007757A (es) * 2018-12-27 2021-08-05 Jfe Steel Corp Lamina de acero electrico no orientado y metodo para la produccion de la misma.
JP7180700B2 (ja) * 2019-02-14 2022-11-30 日本製鉄株式会社 無方向性電磁鋼板
TWI688658B (zh) * 2019-03-20 2020-03-21 日商新日鐵住金股份有限公司 無方向性電磁鋼板
CN120624762A (zh) 2019-06-28 2025-09-12 杰富意钢铁株式会社 马达铁芯的制造方法和马达铁芯
WO2021006280A1 (ja) * 2019-07-11 2021-01-14 Ｊｆｅスチール株式会社 無方向性電磁鋼板とその製造方法およびモータコア
CN112430775A (zh) * 2019-08-26 2021-03-02 宝山钢铁股份有限公司 一种磁性能优良的高强度无取向电工钢板及其制造方法
WO2021117325A1 (ja) * 2019-12-09 2021-06-17 Ｊｆｅスチール株式会社 無方向性電磁鋼板とモータコアならびにそれらの製造方法
KR102353673B1 (ko) * 2019-12-20 2022-01-20 주식회사 포스코 무방향성 전기강판 및 그 제조방법
KR102325011B1 (ko) * 2019-12-20 2021-11-11 주식회사 포스코 무방향성 전기강판 및 그 제조방법
KR102325005B1 (ko) * 2019-12-20 2021-11-11 주식회사 포스코 무방향성 전기강판 및 그 제조방법
JP7052934B2 (ja) * 2020-02-20 2022-04-12 日本製鉄株式会社 無方向性電磁鋼板用熱延鋼板
US20230104017A1 (en) * 2020-04-02 2023-04-06 Nippon Steel Corporation Non-oriented electrical steel sheet and method of manufacturing the same
JP7529973B2 (ja) * 2020-04-06 2024-08-07 日本製鉄株式会社 ロータ用無方向性電磁鋼板およびその製造方法
TWI767210B (zh) * 2020-04-06 2022-06-11 日商日本製鐵股份有限公司 無方向性電磁鋼板及其製造方法
JP7328597B2 (ja) * 2020-04-16 2023-08-17 日本製鉄株式会社 無方向性電磁鋼板およびその製造方法
TWI777498B (zh) * 2020-04-16 2022-09-11 日商日本製鐵股份有限公司 無方向性電磁鋼板及其製造方法
TWI740474B (zh) * 2020-04-28 2021-09-21 中國鋼鐵股份有限公司 非方向性電磁鋼片及其製造方法
KR102438475B1 (ko) * 2020-12-21 2022-09-01 주식회사 포스코 무방향성 전기강판 및 그 제조방법
TWI796955B (zh) 2021-02-17 2023-03-21 日商日本製鐵股份有限公司 無方向性電磁鋼板及其製造方法
JP7303476B2 (ja) * 2021-03-31 2023-07-05 日本製鉄株式会社 無方向性電磁鋼板、モータコア、無方向性電磁鋼板の製造方法及びモータコアの製造方法
EP4317473A4 (en) 2021-03-31 2024-12-11 Nippon Steel Corporation NON-ORIENTED ELECTROMAGNETIC STEEL SHEET, PRODUCTION METHOD FOR NON-ORIENTED ELECTROMAGNETIC STEEL SHEET, ELECTRIC MOTOR AND PRODUCTION METHOD FOR ELECTRIC MOTOR
CN116888295B (zh) * 2021-03-31 2024-03-19 日本制铁株式会社 无取向性电磁钢板、电机铁芯、无取向性电磁钢板的制造方法及电机铁芯的制造方法
US11942246B2 (en) * 2021-04-02 2024-03-26 Nippon Steel Corporation Non-oriented electrical steel sheet
TWI809799B (zh) 2021-04-02 2023-07-21 日商日本製鐵股份有限公司 無方向性電磁鋼板及其製造方法
JP7594213B2 (ja) * 2021-04-14 2024-12-04 日本製鉄株式会社 無方向性電磁鋼板用熱延鋼板及びその製造方法
KR20230023103A (ko) * 2021-08-09 2023-02-17 주식회사 포스코 무방향성 전기강판 및 그 제조 방법
CN113684422B (zh) * 2021-10-26 2022-03-29 江苏省沙钢钢铁研究院有限公司 无取向硅钢及其生产方法
KR20230096881A (ko) * 2021-12-22 2023-06-30 주식회사 포스코 무방향성 전기강판 및 그 제조방법
KR20230096879A (ko) * 2021-12-22 2023-06-30 주식회사 포스코 무방향성 전기강판 및 그를 포함하는 모터 코어
KR102863154B1 (ko) * 2021-12-31 2025-09-24 현대제철 주식회사 무방향성 전기강판 및 이의 제조방법
JP7775722B2 (ja) * 2022-01-21 2025-11-26 大同特殊鋼株式会社 モータコアの製造方法およびこれに用いられる熱処理装置
TWI853492B (zh) * 2022-03-15 2024-08-21 日商日本製鐵股份有限公司 無方向性電磁鋼板及馬達鐵芯以及其等之製造方法
US20250188561A1 (en) 2022-03-15 2025-06-12 Nippon Steel Corporation Non-oriented electrical steel sheet and method for producing same
KR102811640B1 (ko) * 2022-07-27 2025-05-26 현대제철 주식회사 무방향성 전기강판 및 그 제조 방법
KR102812345B1 (ko) * 2022-09-30 2025-05-23 현대제철 주식회사 무방향성 전기 강판 및 그 제조 방법
CN119998480A (zh) * 2022-10-31 2025-05-13 杰富意钢铁株式会社 无取向性电磁钢板及其制造方法
KR20240098913A (ko) * 2022-12-21 2024-06-28 주식회사 포스코 무방향성 전기강판, sra 열처리된 무방향성 전기강판 및 이들의 제조방법
KR20240098847A (ko) * 2022-12-21 2024-06-28 주식회사 포스코 무방향성 전기강판 및 그 제조방법
CN118326247A (zh) * 2023-01-10 2024-07-12 宝山钢铁股份有限公司 一种综合性能优异的无取向电工钢及其制造方法
TWI883806B (zh) 2023-02-01 2025-05-11 日商日本製鐵股份有限公司 無方向性電磁鋼板及其製造方法
JP7828027B2 (ja) * 2023-02-15 2026-03-11 日本製鉄株式会社 無方向性電磁鋼板およびその製造方法
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