EP2623626A4 - Tôle d'acier électrique non orientée exempte de défaut d'ondulation et son procédé de production - Google Patents

Tôle d'acier électrique non orientée exempte de défaut d'ondulation et son procédé de production Download PDF

Info

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)
English (en)
Other versions
EP2623626A1 (fr
EP2623626B1 (fr
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/fr
Publication of EP2623626A4 publication Critical patent/EP2623626A4/fr
Application granted granted Critical
Publication of EP2623626B1 publication Critical patent/EP2623626B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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 Tôle d'acier électrique non orientée exempte de défaut d'ondulation et son procédé de production Active EP2623626B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2010102989655A CN102443734B (zh) 2010-09-30 2010-09-30 无瓦楞状缺陷的无取向电工钢板及其制造方法
PCT/CN2011/072766 WO2012041053A1 (fr) 2010-09-30 2011-04-14 Tôle d'acier électrique non orientée exempte de défaut d'ondulation et son procédé de production

Publications (3)

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

Family

ID=45891876

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11827949.6A Active EP2623626B1 (fr) 2010-09-30 2011-04-14 Tôle d'acier électrique non orientée exempte de défaut d'ondulation et son procédé de production

Country Status (8)

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

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103305659B (zh) * 2012-03-08 2016-03-30 宝山钢铁股份有限公司 磁性优良的无取向电工钢板及其钙处理方法
CN103509906B (zh) * 2012-06-29 2016-01-20 宝山钢铁股份有限公司 磁性优良的无取向电工钢板的冶炼方法
JP5942712B2 (ja) * 2012-09-06 2016-06-29 新日鐵住金株式会社 スカム堰、薄肉鋳片の製造方法、薄肉鋳片の製造装置
CN102925795A (zh) * 2012-10-23 2013-02-13 鞍钢股份有限公司 无取向电工钢中低牌号产品控制横纵向电磁性能的生产方法
CN104073714A (zh) * 2013-03-28 2014-10-01 宝山钢铁股份有限公司 表面良好的高磁感低铁损无取向电工钢板及其制造方法
CN104164544A (zh) * 2013-05-17 2014-11-26 宝山钢铁股份有限公司 一种无线状凸起缺陷的无取向电工钢板的制造方法
CN104726763B (zh) * 2013-12-23 2017-04-12 鞍钢股份有限公司 一种电工钢的热轧方法
CN104073715B (zh) * 2014-06-19 2016-04-20 马钢(集团)控股有限公司 一种高磁感无取向电工钢的制造方法
CN104342604B (zh) * 2014-11-10 2016-11-30 五行科技股份有限公司 一种高强度带材制造方法
CN104789862A (zh) 2015-03-20 2015-07-22 宝山钢铁股份有限公司 表面状态良好的高磁感低铁损无取向电工钢板及其制造方法
KR101901313B1 (ko) 2016-12-19 2018-09-21 주식회사 포스코 무방향성 전기강판 및 그 제조방법
CN111719078B (zh) * 2019-03-19 2021-06-15 江苏集萃冶金技术研究院有限公司 一种消除瓦楞状缺陷的无取向硅钢生产方法
CN109825775B (zh) * 2019-04-04 2020-03-27 中山市中圣金属板带科技有限公司 一种冷轧无取向电工钢35wd1900及其生产方法
CN112430780B (zh) * 2019-08-26 2022-03-18 宝山钢铁股份有限公司 一种含Cu高洁净度无取向电工钢板及其制造方法
WO2021167066A1 (fr) * 2020-02-20 2021-08-26 日本製鉄株式会社 Tôle d'acier pour tôle d'acier électromagnétique à grains non orientés
CN111560554A (zh) * 2020-05-06 2020-08-21 包头钢铁（集团）有限责任公司 一种稀土无取向硅钢的制备方法
CN111748740A (zh) * 2020-06-30 2020-10-09 武汉钢铁有限公司 一种无瓦楞状缺陷且磁性优良的无取向硅钢及其生产方法
CN111961980B (zh) * 2020-09-16 2022-06-07 内蒙古工业大学 一种csp流程无常化工艺生产薄规格中高牌号无取向硅钢的方法
CN115198203B (zh) * 2021-04-09 2024-02-13 宝山钢铁股份有限公司 一种免常化中间退火的无取向电工钢板及其制造方法
CN115704073B (zh) * 2021-08-09 2024-01-09 宝山钢铁股份有限公司 一种表面状态良好的无取向电工钢板及其制造方法
CN114369761B (zh) * 2022-01-07 2022-11-25 山西太钢不锈钢股份有限公司 一种薄规格无取向硅钢及其制备方法
CN114393185B (zh) * 2022-01-27 2023-08-15 马鞍山钢铁股份有限公司 一种提高连铸高拉速下无取向电工钢铸坯等轴晶率的方法
CN114854966B (zh) * 2022-04-12 2024-05-10 湖南华菱涟钢特种新材料有限公司 电工钢及其制备方法和制品
CN116179821B (zh) * 2022-12-12 2025-12-19 湖南华菱涟源钢铁有限公司 取向硅钢的加工工艺及取向硅钢
CN116117096B (zh) * 2023-01-04 2023-07-18 安庆新普电气设备有限公司 一种高等轴晶率无取向电工钢连铸坯及其制备方法
CN118326239A (zh) * 2023-01-10 2024-07-12 宝山钢铁股份有限公司 一种高磁感低铁损无取向电工钢板及其制造方法
CN117867248A (zh) * 2023-12-27 2024-04-12 湖南华菱涟源钢铁有限公司 一种无取向硅钢及其制备方法
CN118814062B (zh) * 2024-06-28 2026-02-10 新余钢铁股份有限公司 一种无涂层无取向硅钢及其制造方法

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 (fr) * 2000-12-27 2004-06-16 Usinor Acier magnetique a grains non orientes, procede de fabrication de toles et toles obtenues
CN1548569A (zh) * 2003-05-12 2004-11-24 宝山钢铁股份有限公司 无瓦楞状缺陷的无取向电工钢板及其制造方法
CN1611616A (zh) * 2003-10-27 2005-05-04 宝山钢铁股份有限公司 冷轧无取向电工钢的制造方法
EP1501951B1 (fr) * 2002-05-08 2006-08-30 AK Steel Properties, Inc. Procede de coulee continue de bande d'acier magnetique non orientee
CN1887512A (zh) * 2005-06-30 2007-01-03 宝山钢铁股份有限公司 低铁损高磁感冷轧无取向电工钢板的生产方法
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 (fr) 1971-10-28 1976-01-24
JPS5037132B2 (fr) 1972-08-18 1975-12-01
JPS5238490B2 (fr) 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 (ja) * 1984-09-13 1986-04-10 Kawasaki Steel Corp 表面性状の良好な無方向性けい素鋼板の製造方法
JPS61127817A (ja) 1984-11-26 1986-06-16 Kawasaki Steel Corp リジングの少ない無方向性けい素鋼板の製造方法
JPH0620593B2 (ja) * 1989-01-20 1994-03-23 新日本製鐵株式会社 無方向性電磁鋼板用鋳片の製造方法
JPH0784617B2 (ja) * 1989-03-24 1995-09-13 住友金属工業株式会社 フェライト系ステンレス鋼板の製造方法
JP2536976B2 (ja) * 1991-05-17 1996-09-25 新日本製鐵株式会社 表面性状および磁気特性の優れた無方向性電磁鋼板の製造方法
KR100240995B1 (ko) * 1995-12-19 2000-03-02 이구택 절연피막의 밀착성이 우수한 무방향성 전기강판의 제조방법
JP4207231B2 (ja) * 1997-08-08 2009-01-14 Ｊｆｅスチール株式会社 無方向性電磁鋼板の製造方法
CN1258608A (zh) * 1998-12-25 2000-07-05 傅元竹 单自动离合器
JP2000273549A (ja) * 1999-03-25 2000-10-03 Nkk Corp 磁気特性の優れた無方向性電磁鋼板の製造方法
DE10221793C1 (de) * 2002-05-15 2003-12-04 Thyssenkrupp Electrical Steel Ebg Gmbh Nichtkornorientiertes Elektroband oder -blech und Verfahren zu seiner Herstellung
JP4331969B2 (ja) * 2003-05-06 2009-09-16 新日本製鐵株式会社 無方向性電磁鋼板の製造方法
RU2362829C2 (ru) * 2004-11-04 2009-07-27 Ниппон Стил Корпорейшн Нетекстурированный электротехнический стальной лист, улучшенный по потерям в сердечнике
CN1796015A (zh) * 2004-12-28 2006-07-05 宝山钢铁股份有限公司 薄板坯连铸连轧生产冷轧无取向电工钢的方法
CN100999050A (zh) * 2006-01-11 2007-07-18 宝山钢铁股份有限公司 低铁损高磁感冷轧无取向电工钢板的生产方法
CN100436631C (zh) * 2006-05-18 2008-11-26 武汉科技大学 一种低碳高锰取向电工钢板及其制造方法
CN101139681B (zh) 2007-10-26 2010-07-21 山西太钢不锈钢股份有限公司 中高牌号冷轧无取向硅钢及其制造方法
CN101306434B (zh) * 2008-06-23 2012-05-30 首钢总公司 一种低碳低硅无铝半工艺无取向电工钢的制备方法
JP4510911B2 (ja) * 2008-07-24 2010-07-28 新日本製鐵株式会社 高周波用無方向性電磁鋼鋳片の製造方法

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 (fr) * 2000-12-27 2004-06-16 Usinor Acier magnetique a grains non orientes, procede de fabrication de toles et toles obtenues
EP1501951B1 (fr) * 2002-05-08 2006-08-30 AK Steel Properties, Inc. Procede de coulee continue de bande d'acier magnetique non orientee
CN1548569A (zh) * 2003-05-12 2004-11-24 宝山钢铁股份有限公司 无瓦楞状缺陷的无取向电工钢板及其制造方法
CN1611616A (zh) * 2003-10-27 2005-05-04 宝山钢铁股份有限公司 冷轧无取向电工钢的制造方法
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 (zh) * 2005-06-30 2007-01-03 宝山钢铁股份有限公司 低铁损高磁感冷轧无取向电工钢板的生产方法

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 (zh) 2012-05-09
RU2550440C2 (ru) 2015-05-10
RU2013114859A (ru) 2014-11-10
US20130224064A1 (en) 2013-08-29
WO2012041053A1 (fr) 2012-04-05
MX357357B (es) 2018-07-05
KR20130049822A (ko) 2013-05-14
MX2013003261A (es) 2013-05-01
EP2623626A1 (fr) 2013-08-07
CN102443734B (zh) 2013-06-19
JP2013540900A (ja) 2013-11-07
EP2623626B1 (fr) 2019-11-20

Similar Documents

Publication Publication Date Title
EP2623626A4 (fr) Tôle d'acier électrique non orientée exempte de défaut d'ondulation et son procédé de production
PL2602335T3 (pl) Sposób wytwarzania niezorientowanej blachy ze stali elektrotechnicznej
PL2778244T3 (pl) Sposób wytwarzania blachy cienkiej z niezorientowanej stali elektrotechnicznej
EP2889389B8 (fr) Tôle d'acier eléctrique non orienté montrant une dégradation minimale des caractéristiques de perte dans le fer, provenant d'un procédé d'emboutissage,
PL3173503T3 (pl) Sposób wytwarzania niezorientowanej blachy ze stali elektrotechnicznej
EP2530180A4 (fr) Feuille d'acier et son procédé de production
BR112013004506A2 (pt) mátodo para produção de chapa de aço elétrico não orientado
EP2602340A4 (fr) Tôle d'acier électromagnétique orientée et son procédé de production
EP2610952A4 (fr) Feuille conductrice et son procédé de fabrication
EP2602345A4 (fr) Tôle d'acier magnétique à grains orientés et son procédé de production
EP2602347A4 (fr) Tôle d'acier magnétique à grains orientés et son procédé de production
EP2453047B8 (fr) Feuille stratifiée et procédé de fabrication associé
EP2584054A4 (fr) Procédé de production de plaques d'acier électromagnétiques orientées
EP2537958A4 (fr) Tôle d'acier électromagnétique non orientée et son procédé de fabrication
EP2578716A4 (fr) Rail d'acier et procédé de fabrication de celui-ci
PL2631307T3 (pl) Blacha stalowa cienka i sposób wytwarzania blachy stalowej cienkiej
EP2644371A4 (fr) Stratifié et son procédé de fabrication
PL2634288T3 (pl) Blacha ze stali elektrotechnicznej oraz sposób jej wytwarzania
EP2876173B8 (fr) Procédé permettant de produire une tôle d'acier électrique à grains orientés
EP2544339A4 (fr) Stator et procédé de fabrication de stator
EP2644761A4 (fr) Feuille volumineuse et procédé pour sa production
PL2664689T4 (pl) Blacha cienka ze stali elektrotechnicznej o ziarnach zorientowanych oraz sposób jej wytwarzania
PL2800103T3 (pl) Kompozycja powłoki izolacyjnej do blachy cienkiej z niezorientowanej stali elektrotechnicznej, sposób jej wytwarzania oraz blacha cienka z niezorientowanej stali elektrotechnicznej, na którą nakłada się tę kompozycję powłoki izolacyjnej
EP2610357A4 (fr) Feuille d'acier laminée à froid et procédé pour sa production
EP2661805A4 (fr) Procédé et appareil destinés à une conversion électronique de puissance résonnante

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20130304

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20171023

RIC1 Information provided on ipc code assigned before grant

Ipc: C21D 8/02 20060101ALI20171017BHEP

Ipc: B22D 11/22 20060101ALI20171017BHEP

Ipc: C21D 8/12 20060101ALI20171017BHEP

Ipc: C22C 38/06 20060101AFI20171017BHEP

Ipc: C22C 38/02 20060101ALI20171017BHEP

Ipc: H01F 1/16 20060101ALI20171017BHEP

Ipc: B22D 11/18 20060101ALI20171017BHEP

Ipc: C22C 38/04 20060101ALI20171017BHEP

Ipc: C21D 6/00 20060101ALI20171017BHEP

Ipc: C22C 38/00 20060101ALI20171017BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20181019

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20190731

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602011063544

Country of ref document: DE

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1204270

Country of ref document: AT

Kind code of ref document: T

Effective date: 20191215

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20191120

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191120

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191120

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200220

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191120

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191120

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191120

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191120

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200221

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200220

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191120

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191120

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200320

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191120

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191120

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191120

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200412

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191120

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191120

REG Reference to a national code

Ref country code: AT

Ref legal event code: UEP

Ref document number: 1204270

Country of ref document: AT

Kind code of ref document: T

Effective date: 20191120

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602011063544

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191120

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191120

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20200821

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191120

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191120

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191120

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200414

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200430

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200430

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20200430

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200430

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200414

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191120

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191120

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191120

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191120

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20250402

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20250422

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20250401

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20250409

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20260324

Year of fee payment: 16