EP2520681A4 - Non-oriented electrical steel sheet having superior magnetic properties and a production method therefor - Google Patents

Non-oriented electrical steel sheet having superior magnetic properties and a production method therefor

Info

Publication number
EP2520681A4
EP2520681A4 EP10841218.0A EP10841218A EP2520681A4 EP 2520681 A4 EP2520681 A4 EP 2520681A4 EP 10841218 A EP10841218 A EP 10841218A EP 2520681 A4 EP2520681 A4 EP 2520681A4
Authority
EP
European Patent Office
Prior art keywords
steel sheet
production method
magnetic properties
electrical steel
method therefor
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
EP10841218.0A
Other languages
German (de)
French (fr)
Other versions
EP2520681B1 (en
EP2520681A2 (en
Inventor
Jae-Hoon Kim
Jae-Kwan Kim
Yong-Soo Kim
Won-Seog Bong
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
Priority claimed from KR1020090131990A external-priority patent/KR101286243B1/en
Priority claimed from KR1020090131992A external-priority patent/KR101296114B1/en
Priority claimed from KR1020100135004A external-priority patent/KR101296117B1/en
Priority claimed from KR1020100135003A external-priority patent/KR101296116B1/en
Priority claimed from KR1020100135943A external-priority patent/KR101296124B1/en
Application filed by Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP2520681A2 publication Critical patent/EP2520681A2/en
Publication of EP2520681A4 publication Critical patent/EP2520681A4/en
Application granted granted Critical
Publication of EP2520681B1 publication Critical patent/EP2520681B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • C22C38/06—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
    • 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
    • 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
    • C22C38/14—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
    • C22C38/60—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
    • H01F1/16—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 in the form of sheets
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/004—Dispersions; Precipitations

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
EP10841218.0A 2009-12-28 2010-12-28 Non-oriented electrical steel sheet having superior magnetic properties and a production method therefor Active EP2520681B1 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR1020090131990A KR101286243B1 (en) 2009-12-28 2009-12-28 Non-oriented electrical steel sheet with excellent magnetic and processing property, and Method for manufacturing the same
KR1020090131992A KR101296114B1 (en) 2009-12-28 2009-12-28 Non-oriented electrical steel sheet with excellent magnetic property, and Method for manufacturing the same
KR1020100135004A KR101296117B1 (en) 2010-12-24 2010-12-24 Non-oriented electrical steel sheet with excellent magnetic properties, and Method for manufacturing the same
KR1020100135003A KR101296116B1 (en) 2010-12-24 2010-12-24 Non-oriented electrical steel sheet with excellent magnetic property, and Method for manufacturing the same
KR1020100135943A KR101296124B1 (en) 2010-12-27 2010-12-27 Non-oriented electrical steel sheet with excellent magnetic property, and Method for manufacturing the same
PCT/KR2010/009380 WO2011081386A2 (en) 2009-12-28 2010-12-28 Non-oriented electrical steel sheet having superior magnetic properties and a production method therefor

Publications (3)

Publication Number Publication Date
EP2520681A2 EP2520681A2 (en) 2012-11-07
EP2520681A4 true EP2520681A4 (en) 2014-11-19
EP2520681B1 EP2520681B1 (en) 2018-10-24

Family

ID=44226997

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10841218.0A Active EP2520681B1 (en) 2009-12-28 2010-12-28 Non-oriented electrical steel sheet having superior magnetic properties and a production method therefor

Country Status (5)

Country Link
US (1) US20120267015A1 (en)
EP (1) EP2520681B1 (en)
JP (1) JP5642195B2 (en)
CN (1) CN102906289B (en)
WO (1) WO2011081386A2 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180223400A1 (en) * 2009-12-28 2018-08-09 Posco Non-Oriented Electrical Steel Sheet Having Superior Magnetic Properties and a Production Method Therefor
CN103361544B (en) * 2012-03-26 2015-09-23 宝山钢铁股份有限公司 Non orientating silicon steel and manufacture method thereof
KR20150073719A (en) * 2013-12-23 2015-07-01 주식회사 포스코 Non-orinented electrical steel sheet and method for manufacturing the same
JP6310813B2 (en) 2014-08-22 2018-04-11 パナソニック株式会社 Communication system, control station, and resource control method
CR20170156A (en) * 2014-10-20 2017-09-22 Arcelormittal METHOD OF PRODUCTION OF LEAF CONTAINING A SILICON STEEL SHEET OF NON-ORIENTED GRAIN, STEEL SHEET OBTAINED AND USE OF THIS.
KR101650406B1 (en) 2014-12-24 2016-08-23 주식회사 포스코 Non-oriented electrical steel sheets and method for manufacturing the same
JP6515323B2 (en) * 2015-02-06 2019-05-22 日本製鉄株式会社 Non-oriented electrical steel sheet
WO2016148010A1 (en) 2015-03-17 2016-09-22 新日鐵住金株式会社 Non-oriented electromagnetic steel sheet and method for manufacturing same
KR101901313B1 (en) * 2016-12-19 2018-09-21 주식회사 포스코 Non-oriented electrical steel sheet and method for manufacturing the same
KR101904309B1 (en) 2016-12-19 2018-10-04 주식회사 포스코 Non-oriented electrical steel sheet and method for manufacturing the same
CN112143962A (en) * 2019-06-28 2020-12-29 宝山钢铁股份有限公司 Non-oriented electrical steel plate with high magnetic induction and low iron loss and manufacturing method thereof
JP7389323B2 (en) * 2019-08-21 2023-11-30 日本製鉄株式会社 Non-oriented electrical steel sheet and its manufacturing method
CN112430775A (en) * 2019-08-26 2021-03-02 宝山钢铁股份有限公司 High-strength non-oriented electrical steel plate with excellent magnetic property and manufacturing method thereof
CN111961958B (en) * 2020-07-13 2021-11-23 湖南华菱涟钢特种新材料有限公司 Low-hardness 50W800 electrical steel and production method thereof
CN113249547B (en) * 2021-07-09 2021-11-05 北京科技大学 Smelting method for refining inclusions in H13 hot work die steel
CN115449595A (en) * 2022-08-30 2022-12-09 山东钢铁集团日照有限公司 Method for improving annealing structure uniformity of H13 hot work die steel

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001192788A (en) * 2000-01-12 2001-07-17 Sumitomo Metal Ind Ltd Nonoriented silicon steel sheet excellent in workability, and its manufacturing method
JP2003055746A (en) * 2001-08-09 2003-02-26 Sumitomo Metal Ind Ltd Nonoriented silicon steel sheet and production method therefor
JP2003113420A (en) * 2001-10-05 2003-04-18 Kawasaki Steel Corp Non-oriented electromagnetic steel for high-voltage battery vehicle with high magnetic flux density at low magnetic field, and manufacturing method therefor
JP2003213385A (en) * 2002-01-23 2003-07-30 Sumitomo Metal Ind Ltd Nonoriented silicon steel sheet
JP2005113185A (en) * 2003-10-06 2005-04-28 Nippon Steel Corp High strength silicon steel sheet excellent in magnetic property, and its production method
US20090202383A1 (en) * 2005-07-07 2009-08-13 Ichirou Tanaka Non-Oriented Electrical Steel Sheet and Production Process Thereof

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Publication number Priority date Publication date Assignee Title
JPS5817248B2 (en) * 1978-06-30 1983-04-06 新日本製鐵株式会社 Low core loss non-oriented electrical steel sheet
JP3331402B2 (en) * 1993-03-31 2002-10-07 新日本製鐵株式会社 Manufacturing method of semi-process non-oriented electrical steel sheet with excellent all-around magnetic properties
KR100316896B1 (en) * 1993-09-29 2002-02-19 에모또 간지 Non-oriented silicon steel sheet having low iron loss and method for manufacturing the same
JP2970423B2 (en) * 1994-09-19 1999-11-02 住友金属工業株式会社 Manufacturing method of non-oriented electrical steel sheet
JPH10183311A (en) * 1996-12-20 1998-07-14 Kawasaki Steel Corp Non-oriented silicon steel sheet excellent in blanking workability and magnetic characteristic
JP4258859B2 (en) * 1998-07-24 2009-04-30 住友金属工業株式会社 Non-oriented electrical steel sheet with good machinability and low iron loss
JP2000160306A (en) * 1998-11-30 2000-06-13 Sumitomo Metal Ind Ltd Non-oriented silicon steel sheet excellent in workability and its production
KR100544417B1 (en) * 1998-12-16 2006-04-06 주식회사 포스코 Method for manufacturing non-oriented electrical steel sheet with excellent magnetic properties
US6290783B1 (en) * 1999-02-01 2001-09-18 Kawasaki Steel Corporation Non-oriented electromagnetic steel sheet having excellent magnetic properties after stress relief annealing
JP2001081536A (en) * 1999-09-14 2001-03-27 Nkk Corp Nonoriented silicon steel sheet excellent in low magnetic field characteristic
JP4023172B2 (en) * 2002-02-06 2007-12-19 住友金属工業株式会社 Non-oriented electrical steel sheet and manufacturing method thereof
JP4023183B2 (en) * 2002-02-26 2007-12-19 住友金属工業株式会社 Non-oriented electrical steel sheet for rotating machine and manufacturing method thereof
JP4258164B2 (en) * 2002-04-02 2009-04-30 Ｊｆｅスチール株式会社 Non-oriented electrical steel sheet with excellent magnetic properties and corrosion resistance after strain relief annealing
DE10221793C1 (en) * 2002-05-15 2003-12-04 Thyssenkrupp Electrical Steel Ebg Gmbh Non-grain oriented electrical steel or sheet and process for its manufacture
EP1632582B1 (en) * 2003-05-06 2011-01-26 Nippon Steel Corporation Non-oriented electrical steel sheet excellent in core loss and manufacturing method thereof
JP4599843B2 (en) * 2004-01-19 2010-12-15 住友金属工業株式会社 Method for producing non-oriented electrical steel sheet
JP4533036B2 (en) * 2004-08-04 2010-08-25 新日本製鐵株式会社 Non-oriented electrical steel sheet with excellent magnetic properties in the 45 ° direction from the rolling direction and method for producing the same
US7662242B2 (en) * 2004-11-04 2010-02-16 Nippon Steel Corporation Non-oriented electrical steel superior in core loss
EP1838882A4 (en) * 2004-12-21 2011-03-02 Posco Co Ltd Non-oriented electrical steel sheets with excellent magnetic properties and method for manufacturing the same
KR101130725B1 (en) * 2004-12-21 2012-03-28 주식회사 포스코 Non-oriented electrical steel sheets with excellent magnetic properties and method for manufacturing the same
KR101010627B1 (en) * 2008-05-23 2011-01-24 주식회사 포스코 Non oriented electrical steel
JP6043808B2 (en) * 2011-12-28 2016-12-14 ポスコＰｏｓｃｏ Non-oriented electrical steel sheet and manufacturing method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001192788A (en) * 2000-01-12 2001-07-17 Sumitomo Metal Ind Ltd Nonoriented silicon steel sheet excellent in workability, and its manufacturing method
JP2003055746A (en) * 2001-08-09 2003-02-26 Sumitomo Metal Ind Ltd Nonoriented silicon steel sheet and production method therefor
JP2003113420A (en) * 2001-10-05 2003-04-18 Kawasaki Steel Corp Non-oriented electromagnetic steel for high-voltage battery vehicle with high magnetic flux density at low magnetic field, and manufacturing method therefor
JP2003213385A (en) * 2002-01-23 2003-07-30 Sumitomo Metal Ind Ltd Nonoriented silicon steel sheet
JP2005113185A (en) * 2003-10-06 2005-04-28 Nippon Steel Corp High strength silicon steel sheet excellent in magnetic property, and its production method
US20090202383A1 (en) * 2005-07-07 2009-08-13 Ichirou Tanaka Non-Oriented Electrical Steel Sheet and Production Process Thereof

Also Published As

Publication number Publication date
EP2520681B1 (en) 2018-10-24
WO2011081386A3 (en) 2011-12-01
EP2520681A2 (en) 2012-11-07
CN102906289B (en) 2016-03-23
JP2013515170A (en) 2013-05-02
US20120267015A1 (en) 2012-10-25
CN102906289A (en) 2013-01-30
JP5642195B2 (en) 2014-12-17
WO2011081386A2 (en) 2011-07-07

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