EP3825434A4 - Tôle d'acier électrique non orientée et son procédé de fabrication - Google Patents

Tôle d'acier électrique non orientée et son procédé de fabrication Download PDF

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Publication number
EP3825434A4
EP3825434A4 EP18926641.4A EP18926641A EP3825434A4 EP 3825434 A4 EP3825434 A4 EP 3825434A4 EP 18926641 A EP18926641 A EP 18926641A EP 3825434 A4 EP3825434 A4 EP 3825434A4
Authority
EP
European Patent Office
Prior art keywords
steel sheet
electrical steel
oriented electrical
manufacturing same
manufacturing
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP18926641.4A
Other languages
German (de)
English (en)
Other versions
EP3825434A1 (fr
Inventor
Jae-Hoon Kim
Yong-Soo Kim
Su-Yong SHIN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Posco Holdings Inc
Original Assignee
Posco Co Ltd
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
Application filed by Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP3825434A1 publication Critical patent/EP3825434A1/fr
Publication of EP3825434A4 publication Critical patent/EP3825434A4/fr
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • 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
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • 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 by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties 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 by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
    • 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 by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
    • C21D8/1233—Cold 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 by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
    • 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 by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1277—Modifying the physical properties 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
    • C22C38/002—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
    • C22C38/008—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
    • C22C38/04—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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Soft Magnetic Materials (AREA)
EP18926641.4A 2018-07-18 2018-12-17 Tôle d'acier électrique non orientée et son procédé de fabrication Pending EP3825434A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020180083531A KR102106409B1 (ko) 2018-07-18 2018-07-18 무방향성 전기강판 및 그 제조방법
PCT/KR2018/016039 WO2020017713A1 (fr) 2018-07-18 2018-12-17 Tôle d'acier électrique non orientée et son procédé de fabrication

Publications (2)

Publication Number Publication Date
EP3825434A1 EP3825434A1 (fr) 2021-05-26
EP3825434A4 true EP3825434A4 (fr) 2021-07-07

Family

ID=69163754

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18926641.4A Pending EP3825434A4 (fr) 2018-07-18 2018-12-17 Tôle d'acier électrique non orientée et son procédé de fabrication

Country Status (5)

Country Link
EP (1) EP3825434A4 (fr)
JP (1) JP7273945B2 (fr)
KR (1) KR102106409B1 (fr)
CN (1) CN112424386A (fr)
WO (1) WO2020017713A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7477748B2 (ja) 2020-02-20 2024-05-02 日本製鉄株式会社 無方向性電磁鋼板および熱延鋼板
KR20230095257A (ko) * 2021-12-22 2023-06-29 주식회사 포스코 무방향성 전기강판 및 그 제조방법

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6428632B1 (en) * 1999-11-26 2002-08-06 Kawasaki Steel Corporation Non-oriented electromagnetic steel sheet having reduced magnetic anisotropy in high frequency region and excellent press workability
JP2013010982A (ja) * 2011-06-28 2013-01-17 Jfe Steel Corp 無方向性電磁鋼板の製造方法
JP2013044010A (ja) * 2011-08-23 2013-03-04 Nippon Steel & Sumitomo Metal Corp 無方向性電磁鋼板およびその製造方法
KR20130076547A (ko) * 2011-12-28 2013-07-08 주식회사 포스코 무방향성 전기강판 및 그 제조방법
US20150348686A1 (en) * 2013-02-22 2015-12-03 Jfe Steel Corporation Hot-rolled steel sheet for producing non-oriented electrical steel sheet and method of producing same
WO2017098800A1 (fr) * 2015-12-09 2017-06-15 Ｊｆｅスチール株式会社 Procédé de fabrication de tôle d'acier électromagnétique non directionnel

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2701314B2 (ja) * 1988-05-10 1998-01-21 日本鋼管株式会社 磁気特性に優れた無方向性電磁鋼板及びその製造方法
JP4116748B2 (ja) 1999-12-16 2008-07-09 新日本製鐵株式会社 磁石埋設型のモータ用無方向性電磁鋼板
JP4589747B2 (ja) * 2005-02-04 2010-12-01 新日本製鐵株式会社 磁気特性に優れた無方向性電磁鋼板とその製造方法および歪取焼鈍方法
CN101812571B (zh) * 2009-02-24 2011-09-21 宝山钢铁股份有限公司 电工钢热轧带钢常化处理中防止内氧化层的方法
KR20140060725A (ko) * 2012-11-12 2014-05-21 주식회사 포스코 무방향성 전기강판 및 그 제조방법
JP5975076B2 (ja) * 2014-08-27 2016-08-23 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
JP6627226B2 (ja) * 2015-02-24 2020-01-08 日本製鉄株式会社 無方向性電磁鋼板の製造方法
JP6319586B2 (ja) * 2015-04-10 2018-05-09 Ｊｆｅスチール株式会社 無方向性電磁鋼板の製造方法
JP6390876B2 (ja) 2015-08-04 2018-09-19 Ｊｆｅスチール株式会社 磁気特性に優れる無方向性電磁鋼板の製造方法
JP6794705B2 (ja) * 2016-08-05 2020-12-02 日本製鉄株式会社 無方向性電磁鋼板、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
JP6794704B2 (ja) 2016-08-05 2020-12-02 日本製鉄株式会社 無方向性電磁鋼板、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
JP6724712B2 (ja) 2016-10-18 2020-07-15 日本製鉄株式会社 無方向性電磁鋼板
KR101918720B1 (ko) * 2016-12-19 2018-11-14 주식회사 포스코 무방향성 전기강판 및 그 제조방법

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6428632B1 (en) * 1999-11-26 2002-08-06 Kawasaki Steel Corporation Non-oriented electromagnetic steel sheet having reduced magnetic anisotropy in high frequency region and excellent press workability
JP2013010982A (ja) * 2011-06-28 2013-01-17 Jfe Steel Corp 無方向性電磁鋼板の製造方法
JP2013044010A (ja) * 2011-08-23 2013-03-04 Nippon Steel & Sumitomo Metal Corp 無方向性電磁鋼板およびその製造方法
KR20130076547A (ko) * 2011-12-28 2013-07-08 주식회사 포스코 무방향성 전기강판 및 그 제조방법
US20150348686A1 (en) * 2013-02-22 2015-12-03 Jfe Steel Corporation Hot-rolled steel sheet for producing non-oriented electrical steel sheet and method of producing same
WO2017098800A1 (fr) * 2015-12-09 2017-06-15 Ｊｆｅスチール株式会社 Procédé de fabrication de tôle d'acier électromagnétique non directionnel

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020017713A1 *

Also Published As

Publication number Publication date
EP3825434A1 (fr) 2021-05-26
JP7273945B2 (ja) 2023-05-15
WO2020017713A1 (fr) 2020-01-23
CN112424386A (zh) 2021-02-26
KR102106409B1 (ko) 2020-05-04
KR20200009321A (ko) 2020-01-30
JP2021532257A (ja) 2021-11-25

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Owner name: POSCO HOLDINGS INC.

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Owner name: POSCO CO., LTD