EP3395959A4 - Oriented electrical steel sheet and manufacturing method therefor - Google Patents

Oriented electrical steel sheet and manufacturing method therefor Download PDF

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Publication number
EP3395959A4
EP3395959A4 EP16879299.2A EP16879299A EP3395959A4 EP 3395959 A4 EP3395959 A4 EP 3395959A4 EP 16879299 A EP16879299 A EP 16879299A EP 3395959 A4 EP3395959 A4 EP 3395959A4
Authority
EP
European Patent Office
Prior art keywords
manufacturing
steel sheet
electrical steel
method therefor
oriented electrical
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.)
Granted
Application number
EP16879299.2A
Other languages
German (de)
French (fr)
Other versions
EP3395959B1 (en
EP3395959A1 (en
Inventor
Kyu-Seok Han
Hyun-Seok Ko
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
Priority to PL16879299T priority Critical patent/PL3395959T3/en
Publication of EP3395959A1 publication Critical patent/EP3395959A1/en
Publication of EP3395959A4 publication Critical patent/EP3395959A4/en
Application granted granted Critical
Publication of EP3395959B1 publication Critical patent/EP3395959B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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
    • C21D8/1261—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 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 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
    • C21D8/1266—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 between cold rolling steps
    • 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
    • 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
    • C22C38/02—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
    • 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
    • C21D2201/00—Treatment for obtaining particular effects
    • C21D2201/05—Grain orientation
    • 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
    • C21D8/1255—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 with diffusion of elements, e.g. decarburising, nitriding
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C2202/00—Physical properties
    • C22C2202/02—Magnetic

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)
EP16879299.2A 2015-12-21 2016-12-20 Oriented electrical steel sheet and manufacturing method therefor Active EP3395959B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16879299T PL3395959T3 (en) 2015-12-21 2016-12-20 Oriented electrical steel sheet and manufacturing method therefor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020150182839A KR101675318B1 (en) 2015-12-21 2015-12-21 Oriented electrical steel sheet and method for manufacturing the same
PCT/KR2016/014945 WO2017111432A1 (en) 2015-12-21 2016-12-20 Oriented electrical steel sheet and manufacturing method therefor

Publications (3)

Publication Number Publication Date
EP3395959A1 EP3395959A1 (en) 2018-10-31
EP3395959A4 true EP3395959A4 (en) 2019-01-02
EP3395959B1 EP3395959B1 (en) 2020-04-22

Family

ID=57527701

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16879299.2A Active EP3395959B1 (en) 2015-12-21 2016-12-20 Oriented electrical steel sheet and manufacturing method therefor

Country Status (7)

Country Link
US (2) US20180371571A1 (en)
EP (1) EP3395959B1 (en)
JP (1) JP6622919B2 (en)
KR (1) KR101675318B1 (en)
CN (1) CN108431244B (en)
PL (1) PL3395959T3 (en)
WO (1) WO2017111432A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101642281B1 (en) * 2014-11-27 2016-07-25 주식회사 포스코 Oriented electrical steel sheet and method for manufacturing the same
EP3715479A1 (en) * 2019-03-26 2020-09-30 Thyssenkrupp Electrical Steel Gmbh Lean method for secondary recrystallization of grain oriented electrical steel in a continuous processing line

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5518511A (en) * 1978-07-21 1980-02-08 Nippon Steel Corp Manufacture of unidirectional electrical steel sheet
US4692193A (en) * 1984-10-31 1987-09-08 Nippon Steel Corporation Process for producing a grain-oriented electrical steel sheet having a low watt loss
US20030116236A1 (en) * 2001-07-24 2003-06-26 Kawasaki Steel Corporation Method of manufacturing grain-oriented electrical steel sheets
JP3438282B2 (en) * 1993-12-28 2003-08-18 Ｊｆｅスチール株式会社 Method of manufacturing oriented silicon steel sheet with high magnetic flux density
KR101141279B1 (en) * 2004-12-28 2012-05-04 주식회사 포스코 method for manufacturing grain-oriented electrical steel sheet having excellent magnetic properties

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4000015A (en) * 1975-05-15 1976-12-28 Allegheny Ludlum Industries, Inc. Processing for cube-on-edge oriented silicon steel using hydrogen of controlled dew point
JPS535800A (en) * 1976-07-05 1978-01-19 Kawasaki Steel Co Highhmagneticcflux density oneeway siliconnsteellfolstellite insulator film and method of formation thereof
US4202711A (en) * 1978-10-18 1980-05-13 Armco, Incl. Process for producing oriented silicon iron from strand cast slabs
JPS5920745B2 (en) * 1980-08-27 1984-05-15 川崎製鉄株式会社 Unidirectional silicon steel plate with extremely low iron loss and its manufacturing method
JPH06306473A (en) * 1993-04-26 1994-11-01 Nippon Steel Corp Production of grain-oriented magnetic steel sheet excellent in magnetic property
KR100237158B1 (en) * 1995-12-14 2000-01-15 이구택 The manufacturing method for oriented electric steel sheet with excellent magnetic property
US5885371A (en) * 1996-10-11 1999-03-23 Kawasaki Steel Corporation Method of producing grain-oriented magnetic steel sheet
KR100440994B1 (en) * 1996-10-21 2004-10-21 제이에프이 스틸 가부시키가이샤 Directional electromagnetic steel sheet and manufacturing method thereof
KR19980033020U (en) * 1996-12-02 1998-09-05 조윤희 Two-line Dunes
KR100541695B1 (en) * 1998-08-14 2006-04-28 주식회사 하이닉스반도체 Internal power supply circuit of semiconductor device
JP2000345306A (en) * 1999-05-31 2000-12-12 Nippon Steel Corp High magnetic flux density grain oriented silicon steel sheet excellent in high magnetic field core loss
KR100359622B1 (en) * 1999-05-31 2002-11-07 신닛뽄세이테쯔 카부시키카이샤 High flux density grain-oriented electrical steel sheet excellent in high magnetic field core loss property and method of producing the same
EP2107130B1 (en) * 2000-08-08 2013-10-09 Nippon Steel & Sumitomo Metal Corporation Method to produce grain-oriented electrical steel sheet having high magnetic flux density
JP4103393B2 (en) * 2002-01-09 2008-06-18 Ｊｆｅスチール株式会社 Method for producing grain-oriented electrical steel sheet
US6676771B2 (en) * 2001-08-02 2004-01-13 Jfe Steel Corporation Method of manufacturing grain-oriented electrical steel sheet
JP4288054B2 (en) * 2002-01-08 2009-07-01 新日本製鐵株式会社 Method for producing grain-oriented silicon steel sheet
KR100940720B1 (en) * 2002-12-27 2010-02-08 주식회사 포스코 Method for manufacturing grain oriented electrical steel sheets with excellent magnetic properties
US7736444B1 (en) * 2006-04-19 2010-06-15 Silicon Steel Technology, Inc. Method and system for manufacturing electrical silicon steel
JP2009155731A (en) * 2009-03-30 2009-07-16 Nippon Steel Corp Unidirectional electromagnetic steel sheet which has high magnetic flux density and is excellent in high magnetic field iron loss
JP5871137B2 (en) * 2012-12-12 2016-03-01 Ｊｆｅスチール株式会社 Oriented electrical steel sheet
EP2775007B1 (en) * 2013-03-08 2018-12-05 Voestalpine Stahl GmbH A process for the production of a grain-oriented electrical steel
US10704113B2 (en) * 2014-01-23 2020-07-07 Jfe Steel Corporation Grain oriented electrical steel sheet and production method therefor
KR101642281B1 (en) * 2014-11-27 2016-07-25 주식회사 포스코 Oriented electrical steel sheet and method for manufacturing the same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5518511A (en) * 1978-07-21 1980-02-08 Nippon Steel Corp Manufacture of unidirectional electrical steel sheet
US4692193A (en) * 1984-10-31 1987-09-08 Nippon Steel Corporation Process for producing a grain-oriented electrical steel sheet having a low watt loss
JP3438282B2 (en) * 1993-12-28 2003-08-18 Ｊｆｅスチール株式会社 Method of manufacturing oriented silicon steel sheet with high magnetic flux density
US20030116236A1 (en) * 2001-07-24 2003-06-26 Kawasaki Steel Corporation Method of manufacturing grain-oriented electrical steel sheets
KR101141279B1 (en) * 2004-12-28 2012-05-04 주식회사 포스코 method for manufacturing grain-oriented electrical steel sheet having excellent magnetic properties

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2017111432A1 *

Also Published As

Publication number Publication date
CN108431244B (en) 2022-09-27
JP2019505671A (en) 2019-02-28
KR101675318B1 (en) 2016-11-11
PL3395959T3 (en) 2020-09-21
EP3395959B1 (en) 2020-04-22
US20180371571A1 (en) 2018-12-27
JP6622919B2 (en) 2019-12-18
CN108431244A (en) 2018-08-21
US20220106657A1 (en) 2022-04-07
WO2017111432A1 (en) 2017-06-29
EP3395959A1 (en) 2018-10-31

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