EP2623626A4 - Non-oriented electric steel plate without corrugated fault and production method thereof - Google Patents

Non-oriented electric steel plate without corrugated fault and production method thereof Download PDF

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Publication number
EP2623626A4
EP2623626A4 EP11827949.6A EP11827949A EP2623626A4 EP 2623626 A4 EP2623626 A4 EP 2623626A4 EP 11827949 A EP11827949 A EP 11827949A EP 2623626 A4 EP2623626 A4 EP 2623626A4
Authority
EP
European Patent Office
Prior art keywords
corrugated
fault
steel plate
production method
electric steel
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
EP11827949.6A
Other languages
German (de)
French (fr)
Other versions
EP2623626A1 (en
EP2623626B1 (en
Inventor
Feng Zhang
Xiao Chen
Wei Cao
Yezhong Sun
Changsong MA
Jianru Zhu
Zhuolei Chen
Xiandong Liu
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.)
Baoshan Iron and Steel Co Ltd
Original Assignee
Baoshan Iron and Steel 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 Baoshan Iron and Steel Co Ltd filed Critical Baoshan Iron and Steel Co Ltd
Publication of EP2623626A1 publication Critical patent/EP2623626A1/en
Publication of EP2623626A4 publication Critical patent/EP2623626A4/en
Application granted granted Critical
Publication of EP2623626B1 publication Critical patent/EP2623626B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D25/00—Special casting characterised by the nature of the product
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/18—Controlling or regulating processes or operations for pouring
    • B22D11/181—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level
    • B22D11/182—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level by measuring temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/22—Controlling or regulating processes or operations for cooling cast stock or mould
    • B22D11/225—Controlling or regulating processes or operations for cooling cast stock or mould for secondary cooling
    • 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
    • C21D8/1205—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 particular fabrication steps or treatments of ingots or slabs
    • 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
    • C21D8/1216—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
    • C21D8/1233—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 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
    • 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
    • C22C38/02—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
    • 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
    • C21D2201/00—Treatment for obtaining particular effects
    • C21D2201/05—Grain orientation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Continuous Casting (AREA)
  • Soft Magnetic Materials (AREA)
EP11827949.6A 2010-09-30 2011-04-14 Non-oriented electric steel plate without corrugated fault and production method thereof Active EP2623626B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2010102989655A CN102443734B (en) 2010-09-30 2010-09-30 Non-oriented electrical steel sheet free from corrugated defects and manufacturing method thereof
PCT/CN2011/072766 WO2012041053A1 (en) 2010-09-30 2011-04-14 Non-oriented electric steel plate without corrugated fault and production method thereof

Publications (3)

Publication Number Publication Date
EP2623626A1 EP2623626A1 (en) 2013-08-07
EP2623626A4 true EP2623626A4 (en) 2017-11-22
EP2623626B1 EP2623626B1 (en) 2019-11-20

Family

ID=45891876

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11827949.6A Active EP2623626B1 (en) 2010-09-30 2011-04-14 Non-oriented electric steel plate without corrugated fault and production method thereof

Country Status (8)

Country Link
US (1) US20130224064A1 (en)
EP (1) EP2623626B1 (en)
JP (1) JP2013540900A (en)
KR (1) KR20130049822A (en)
CN (1) CN102443734B (en)
MX (1) MX357357B (en)
RU (1) RU2550440C2 (en)
WO (1) WO2012041053A1 (en)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103305659B (en) * 2012-03-08 2016-03-30 宝山钢铁股份有限公司 The non-oriented electromagnetic steel sheet of excellent magnetic and calcium treating method thereof
CN103509906B (en) * 2012-06-29 2016-01-20 宝山钢铁股份有限公司 The smelting process of the non-oriented electromagnetic steel sheet of excellent magnetic
JP5942712B2 (en) * 2012-09-06 2016-06-29 新日鐵住金株式会社 Scum weir, thin slab manufacturing method, thin slab manufacturing equipment
CN102925795A (en) * 2012-10-23 2013-02-13 鞍钢股份有限公司 Production method for controlling transverse and longitudinal electromagnetic properties of low-grade and medium-grade non-oriented electrical steel products
CN104073714A (en) * 2013-03-28 2014-10-01 宝山钢铁股份有限公司 Good-surface high magnetic strength low iron loss orientation-free electrical steel plate and preparation method thereof
CN104164544A (en) * 2013-05-17 2014-11-26 宝山钢铁股份有限公司 Method for manufacturing non-oriented electrical steel plate without line-shaped projection defects
CN104726763B (en) * 2013-12-23 2017-04-12 鞍钢股份有限公司 Hot rolling method of electrical steel
CN104073715B (en) * 2014-06-19 2016-04-20 马钢(集团)控股有限公司 A kind of manufacture method of high-magnetic strength non-oriented electrical steel
CN104342604B (en) * 2014-11-10 2016-11-30 五行科技股份有限公司 A kind of high intensity band manufacture method
CN104789862A (en) 2015-03-20 2015-07-22 宝山钢铁股份有限公司 High-magnetic-induction low-iron-loss non-oriented electrical steel plate with good surface state and manufacturing method thereof
KR101901313B1 (en) 2016-12-19 2018-09-21 주식회사 포스코 Non-oriented electrical steel sheet and method for manufacturing the same
CN111719078B (en) * 2019-03-19 2021-06-15 江苏集萃冶金技术研究院有限公司 Production method of non-oriented silicon steel for eliminating corrugated defects
CN109825775B (en) * 2019-04-04 2020-03-27 中山市中圣金属板带科技有限公司 Cold-rolled non-oriented electrical steel 35WD1900 and production method thereof
CN112430780B (en) * 2019-08-26 2022-03-18 宝山钢铁股份有限公司 A kind of Cu-containing high cleanliness non-oriented electrical steel sheet and manufacturing method thereof
WO2021167066A1 (en) * 2020-02-20 2021-08-26 日本製鉄株式会社 Steel sheet for non-oriented electromagnetic steel sheet
CN111560554A (en) * 2020-05-06 2020-08-21 包头钢铁（集团）有限责任公司 Preparation method of rare earth non-oriented silicon steel
CN111748740A (en) * 2020-06-30 2020-10-09 武汉钢铁有限公司 Non-oriented silicon steel free of corrugated defects and excellent in magnetism and production method thereof
CN111961980B (en) * 2020-09-16 2022-06-07 内蒙古工业大学 Method for producing thin-specification medium-high-grade non-oriented silicon steel by CSP process non-normalized process
CN115198203B (en) * 2021-04-09 2024-02-13 宝山钢铁股份有限公司 A non-oriented electrical steel plate free of normalized intermediate annealing and its manufacturing method
CN115704073B (en) * 2021-08-09 2024-01-09 宝山钢铁股份有限公司 A kind of non-oriented electrical steel plate with good surface condition and its manufacturing method
CN114369761B (en) * 2022-01-07 2022-11-25 山西太钢不锈钢股份有限公司 Thin non-oriented silicon steel and preparation method thereof
CN114393185B (en) * 2022-01-27 2023-08-15 马鞍山钢铁股份有限公司 A method for increasing the equiaxed grain ratio of non-oriented electrical steel slab under continuous casting high casting speed
CN114854966B (en) * 2022-04-12 2024-05-10 湖南华菱涟钢特种新材料有限公司 Electrical steel, preparation method and product thereof
CN116179821B (en) * 2022-12-12 2025-12-19 湖南华菱涟源钢铁有限公司 Processing technology of oriented silicon steel and oriented silicon steel
CN116117096B (en) * 2023-01-04 2023-07-18 安庆新普电气设备有限公司 High equiaxial crystal rate non-oriented electrical steel continuous casting billet and preparation method thereof
CN118326239A (en) * 2023-01-10 2024-07-12 宝山钢铁股份有限公司 A high magnetic induction and low iron loss non-oriented electrical steel sheet and its manufacturing method
CN117867248A (en) * 2023-12-27 2024-04-12 湖南华菱涟源钢铁有限公司 A non-oriented silicon steel and preparation method thereof
CN118814062B (en) * 2024-06-28 2026-02-10 新余钢铁股份有限公司 A coating-free, non-oriented silicon steel and its manufacturing method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4066479A (en) * 1972-07-08 1978-01-03 Nippon Steel Corporation Process for producing non-directional electric steel sheets free from ridging
JPS532332A (en) * 1976-06-29 1978-01-11 Nippon Steel Corp Production of nondirectional electrical steel sheet having excellent surface property
EP1346069B1 (en) * 2000-12-27 2004-06-16 Usinor Magnetic steel sheet with non-oriented grains, method for making steel plates and resulting steel plates
CN1548569A (en) * 2003-05-12 2004-11-24 宝山钢铁股份有限公司 Non-oriented electrical steel sheet free from corrugated defects and manufacturing method thereof
CN1611616A (en) * 2003-10-27 2005-05-04 宝山钢铁股份有限公司 Method for manufacturing cold-rolled orientation-free electrical sheet
EP1501951B1 (en) * 2002-05-08 2006-08-30 AK Steel Properties, Inc. Method of continuous casting non-oriented electrical steel strip
CN1887512A (en) * 2005-06-30 2007-01-03 宝山钢铁股份有限公司 Production process of cold rolled orientation-free electrical steel plate with low iron loss and high magnetic induction
US20080121314A1 (en) * 2004-12-21 2008-05-29 Jae-Young Choi Non-Oriented Electrical Steel Sheets with Excellent Magnetic Properties and Method for Manufacturing the Same

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS512289B2 (en) 1971-10-28 1976-01-24
JPS5037132B2 (en) 1972-08-18 1975-12-01
JPS5238490B2 (en) 1972-08-23 1977-09-29
JPS5314609A (en) 1976-07-27 1978-02-09 Nippon Steel Corp Production of nondirectional electromagnetic steel sheet free from ridging
JPS6169923A (en) * 1984-09-13 1986-04-10 Kawasaki Steel Corp Manufacture of non-orientation silicon steel plate of good surface
JPS61127817A (en) 1984-11-26 1986-06-16 Kawasaki Steel Corp Manufacture of nonoriented silicon steel sheet causing hardly ridging
JPH0620593B2 (en) * 1989-01-20 1994-03-23 新日本製鐵株式会社 Manufacturing method of cast slab for non-oriented electrical steel sheet
JPH0784617B2 (en) * 1989-03-24 1995-09-13 住友金属工業株式会社 Method for manufacturing ferritic stainless steel sheet
JP2536976B2 (en) * 1991-05-17 1996-09-25 新日本製鐵株式会社 Manufacturing method of non-oriented electrical steel sheet having excellent surface properties and magnetic properties
KR100240995B1 (en) * 1995-12-19 2000-03-02 이구택 Manufacturing method of non-oriented electrical steel sheet having excellent adhesion of insulating film
JP4207231B2 (en) * 1997-08-08 2009-01-14 Ｊｆｅスチール株式会社 Method for producing non-oriented electrical steel sheet
CN1258608A (en) * 1998-12-25 2000-07-05 傅元竹 Single automatic clutch
JP2000273549A (en) * 1999-03-25 2000-10-03 Nkk Corp Manufacturing method of non-oriented electrical steel sheet with excellent magnetic properties
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
JP4331969B2 (en) * 2003-05-06 2009-09-16 新日本製鐵株式会社 Method for producing non-oriented electrical steel sheet
RU2362829C2 (en) * 2004-11-04 2009-07-27 Ниппон Стил Корпорейшн Random-orientation electrotechnical steel sheet, improved from side of losses in mandrel
CN1796015A (en) * 2004-12-28 2006-07-05 宝山钢铁股份有限公司 Method for manufacturing cold rolling non oriented electrical steel through continuous casting and tandem rolling sheet bar
CN100999050A (en) * 2006-01-11 2007-07-18 宝山钢铁股份有限公司 Production method of low iron loss high magnetic sensing cold milling orientation less electrical steel plate
CN100436631C (en) * 2006-05-18 2008-11-26 武汉科技大学 Low-carbon high-manganese oriented electrical steel plate, and its manufacturing method
CN101139681B (en) 2007-10-26 2010-07-21 山西太钢不锈钢股份有限公司 Zhonggao grade cold-rolled non-oriented silicon steel and its manufacturing method
CN101306434B (en) * 2008-06-23 2012-05-30 首钢总公司 Preparation method of low-carbon low-silicon aluminum-free semi-process non-oriented electrical steel
JP4510911B2 (en) * 2008-07-24 2010-07-28 新日本製鐵株式会社 Method for producing high-frequency non-oriented electrical steel slabs

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4066479A (en) * 1972-07-08 1978-01-03 Nippon Steel Corporation Process for producing non-directional electric steel sheets free from ridging
JPS532332A (en) * 1976-06-29 1978-01-11 Nippon Steel Corp Production of nondirectional electrical steel sheet having excellent surface property
EP1346069B1 (en) * 2000-12-27 2004-06-16 Usinor Magnetic steel sheet with non-oriented grains, method for making steel plates and resulting steel plates
EP1501951B1 (en) * 2002-05-08 2006-08-30 AK Steel Properties, Inc. Method of continuous casting non-oriented electrical steel strip
CN1548569A (en) * 2003-05-12 2004-11-24 宝山钢铁股份有限公司 Non-oriented electrical steel sheet free from corrugated defects and manufacturing method thereof
CN1611616A (en) * 2003-10-27 2005-05-04 宝山钢铁股份有限公司 Method for manufacturing cold-rolled orientation-free electrical sheet
US20080121314A1 (en) * 2004-12-21 2008-05-29 Jae-Young Choi Non-Oriented Electrical Steel Sheets with Excellent Magnetic Properties and Method for Manufacturing the Same
CN1887512A (en) * 2005-06-30 2007-01-03 宝山钢铁股份有限公司 Production process of cold rolled orientation-free electrical steel plate with low iron loss and high magnetic induction

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012041053A1 *

Also Published As

Publication number Publication date
CN102443734A (en) 2012-05-09
RU2550440C2 (en) 2015-05-10
RU2013114859A (en) 2014-11-10
US20130224064A1 (en) 2013-08-29
WO2012041053A1 (en) 2012-04-05
MX357357B (en) 2018-07-05
KR20130049822A (en) 2013-05-14
MX2013003261A (en) 2013-05-01
EP2623626A1 (en) 2013-08-07
CN102443734B (en) 2013-06-19
JP2013540900A (en) 2013-11-07
EP2623626B1 (en) 2019-11-20

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