EP2508629A4 - PROCESS FOR MANUFACTURING NON-ORIENTED SILICON STEEL WITH HIGH MAGNETIC INDUCTION - Google Patents

PROCESS FOR MANUFACTURING NON-ORIENTED SILICON STEEL WITH HIGH MAGNETIC INDUCTION

Info

Publication number
EP2508629A4
EP2508629A4 EP11835489.3A EP11835489A EP2508629A4 EP 2508629 A4 EP2508629 A4 EP 2508629A4 EP 11835489 A EP11835489 A EP 11835489A EP 2508629 A4 EP2508629 A4 EP 2508629A4
Authority
EP
European Patent Office
Prior art keywords
magnetic induction
silicon steel
oriented silicon
manufacturing non
manufacturing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP11835489.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2508629A1 (en
Inventor
Zitao Wang
Bo Wang
Shishu Xie
Bingzhong Jin
Aihua Ma
Liang Zou
Yuhua Zhu
Zhanyuan Hu
Xiao Chen
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 EP2508629A1 publication Critical patent/EP2508629A1/en
Publication of EP2508629A4 publication Critical patent/EP2508629A4/en
Withdrawn legal-status Critical Current

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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • 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
    • 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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Soft Magnetic Materials (AREA)
EP11835489.3A 2010-10-25 2011-04-14 PROCESS FOR MANUFACTURING NON-ORIENTED SILICON STEEL WITH HIGH MAGNETIC INDUCTION Withdrawn EP2508629A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2010105178727A CN102453837B (zh) 2010-10-25 2010-10-25 一种高磁感无取向硅钢的制造方法
PCT/CN2011/072775 WO2012055215A1 (zh) 2010-10-25 2011-04-14 一种高磁感无取向硅钢的制造方法

Publications (2)

Publication Number Publication Date
EP2508629A1 EP2508629A1 (en) 2012-10-10
EP2508629A4 true EP2508629A4 (en) 2016-11-30

Family

ID=45993116

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11835489.3A Withdrawn EP2508629A4 (en) 2010-10-25 2011-04-14 PROCESS FOR MANUFACTURING NON-ORIENTED SILICON STEEL WITH HIGH MAGNETIC INDUCTION

Country Status (8)

Country Link
US (1) US20120285584A1 (zh)
EP (1) EP2508629A4 (zh)
JP (1) JP2013513724A (zh)
KR (1) KR101404101B1 (zh)
CN (1) CN102453837B (zh)
MX (1) MX2012006680A (zh)
RU (1) RU2527827C2 (zh)
WO (1) WO2012055215A1 (zh)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103361544B (zh) * 2012-03-26 2015-09-23 宝山钢铁股份有限公司 无取向硅钢及其制造方法
CN103834858B (zh) * 2012-11-23 2016-10-05 宝山钢铁股份有限公司 一种低铁损无取向硅钢的制造方法
CN103882288B (zh) * 2012-12-21 2016-03-02 鞍钢股份有限公司 一种高强度专用冷轧无取向电工钢及其生产方法
CN103882299B (zh) * 2012-12-21 2016-05-11 鞍钢股份有限公司 一种高铝薄规格电工钢及其生产方法
RU2540243C2 (ru) * 2013-05-07 2015-02-10 Открытое акционерное общество "Новолипецкий металлургический комбинат" Способ производства высокопроницаемой электротехнической изотропной стали
CN103388106A (zh) * 2013-06-27 2013-11-13 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
CN103753116B (zh) * 2013-10-31 2016-05-25 宜兴市鑫源辊业有限公司 森吉米尔轧机工作辊的制造方法
CN103586430B (zh) * 2013-11-06 2016-08-24 北京首钢股份有限公司 无取向电工钢的生产方法
CN104178617A (zh) * 2014-08-25 2014-12-03 东北大学 控制双辊薄带连铸无取向硅钢磁性能的快速热处理方法
EP3204530B2 (de) * 2014-10-09 2024-10-09 ThyssenKrupp Steel Europe AG Kaltgewalztes und rekristallisierend geglühtes stahlflachprodukt und verfahren zu dessen herstellung
US11239012B2 (en) 2014-10-15 2022-02-01 Sms Group Gmbh Process for producing grain-oriented electrical steel strip
CR20170156A (es) * 2014-10-20 2017-09-22 Arcelormittal Método de producción de hojalata conteniendo una lámina de acero de silicio de grano no orientado, lámina de acero obtenida y uso de esta.
US10704115B2 (en) * 2014-10-30 2020-07-07 Jfe Steel Corporation Non-oriented electrical steel sheet and method for manufacturing non-oriented electrical steel sheet
CN104480383B (zh) * 2014-11-24 2016-11-02 武汉钢铁(集团)公司 0.35mm厚高效电机用高磁感无取向硅钢的生产方法
CN105779877B (zh) * 2014-12-23 2017-10-27 鞍钢股份有限公司 一种半工艺无取向电工钢的高效生产方法
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
EP3279341B1 (en) 2015-04-02 2020-05-06 Nippon Steel Corporation Manufacturing method for unidirectional electromagnetic steel sheet
CN108026914B (zh) 2015-09-07 2019-12-20 松下知识产权经营株式会社 冷媒压缩机和使用该冷媒压缩机的冷冻装置
JP6406522B2 (ja) * 2015-12-09 2018-10-17 Ｊｆｅスチール株式会社 無方向性電磁鋼板の製造方法
JP2017053341A (ja) * 2016-04-15 2017-03-16 パナソニックＩｐマネジメント株式会社 冷媒圧縮機およびそれを用いた冷凍装置
CN105925884B (zh) * 2016-05-30 2018-03-09 宝山钢铁股份有限公司 一种高磁感、低铁损无取向硅钢片及其制造方法
TWI588265B (zh) * 2016-06-07 2017-06-21 中國鋼鐵股份有限公司 電磁鋼片製造方法
KR101877198B1 (ko) * 2018-01-16 2018-07-10 포항공과대학교 산학협력단 무방향성 전기강판 및 그 제조방법
CN108277433A (zh) * 2018-03-15 2018-07-13 马钢(集团)控股有限公司 一种新型冷轧高牌号无取向电工钢及其生产方法
RU2692146C1 (ru) * 2018-05-25 2019-06-21 Олег Михайлович Губанов Способ получения изотропной электротехнической стали
CN109082596B (zh) * 2018-09-04 2019-12-13 马鞍山钢铁股份有限公司 一种低铁损高磁极化强度的无取向硅钢及其制备方法
CN109023116B (zh) * 2018-09-30 2021-09-07 日照钢铁控股集团有限公司 一种采用薄板坯无头轧制生产无取向电工钢的方法
US12104215B2 (en) 2018-11-26 2024-10-01 Baoshan Iron & Steel Co., Ltd. High-magnetic-induction low-iron-loss non-oriented silicon steel sheet and manufacturing method therefor
EP3943633A4 (en) * 2019-03-20 2022-09-07 Nippon Steel Corporation NON-ORIENTED ELECTROMAGNETIC STEEL SHEET AND METHOD OF MANUFACTURING THEREOF
CN110438317A (zh) * 2019-07-29 2019-11-12 江苏理工学院 一种初始组织热轧法制备{100}织构柱状晶无取向电工钢的方法
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
CN112430775A (zh) * 2019-08-26 2021-03-02 宝山钢铁股份有限公司 一种磁性能优良的高强度无取向电工钢板及其制造方法
CN112430776B (zh) 2019-08-26 2022-06-28 宝山钢铁股份有限公司 一种磁各向异性小的无取向电工钢板及其制造方法
CN110468352A (zh) * 2019-09-25 2019-11-19 江苏沙钢集团有限公司 一种无取向硅钢及其生产方法
CN113981307A (zh) * 2020-07-27 2022-01-28 宝山钢铁股份有限公司 一种高磁感、低铁损的无取向电工钢板及其制造方法
CN114000045B (zh) * 2020-07-28 2022-09-16 宝山钢铁股份有限公司 一种磁性能优良的高强度无取向电工钢板及其制造方法
CN113106224B (zh) * 2021-03-18 2022-11-01 武汉钢铁有限公司 一种提高无取向硅钢铁损均匀性的方法
CN113403455B (zh) * 2021-06-17 2024-03-19 张家港扬子江冷轧板有限公司 无取向硅钢的生产方法
CN113789467B (zh) * 2021-08-19 2023-01-17 鞍钢股份有限公司 一种含磷无铝高效无取向硅钢生产方法
CN116445806A (zh) * 2022-01-07 2023-07-18 宝山钢铁股份有限公司 一种磁性能优良的无取向电工钢板及其制造方法
CN116445808A (zh) * 2022-01-07 2023-07-18 宝山钢铁股份有限公司 一种磁性能优良的无取向电工钢板及其制造方法
CN115418550A (zh) * 2022-09-26 2022-12-02 江苏沙钢集团有限公司 一种含磷无铝高强度无取向硅钢生产方法
CN117305680B (zh) * 2023-11-30 2024-03-05 江苏省沙钢钢铁研究院有限公司 高Al无取向硅钢卷绕铁芯及其制备方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06228645A (ja) * 1993-02-02 1994-08-16 Sumitomo Metal Ind Ltd 小型静止器用電磁鋼板の製造方法
JPH06279858A (ja) * 1993-03-25 1994-10-04 Nkk Corp 磁気特性と表面性状が優れた無方向性電磁鋼板の製造方法
JPH10140242A (ja) * 1996-11-14 1998-05-26 Nkk Corp 磁気異方性の小さな低級電磁鋼板の製造方法及び磁気異 方性の小さな低級電磁鋼板
US6406558B1 (en) * 1999-11-01 2002-06-18 Kawasaki Steel Corporation Method for manufacturing magnetic steel sheet having superior workability and magnetic properties
JP2009167480A (ja) * 2008-01-17 2009-07-30 Jfe Steel Corp エッチング加工用無方向性電磁鋼板とモータコアの製造方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62102507A (ja) * 1985-10-29 1987-05-13 Kawasaki Steel Corp 無方向性けい素鋼板の製造方法
JPS63317627A (ja) * 1987-06-18 1988-12-26 Kawasaki Steel Corp 鉄損が低くかつ透磁率が高いセミプロセス無方向性電磁鋼板およびその製造方法
JP2954735B2 (ja) * 1991-04-19 1999-09-27 川崎製鉄株式会社 打抜加工性の優れた無方向性電磁鋼板の製造方法
RU2048543C1 (ru) * 1992-12-21 1995-11-20 Верх-Исетский металлургический завод Способ производства электротехнической анизотропной стали
US20040149355A1 (en) * 2001-06-28 2004-08-05 Masaaki Kohno Nonoriented electromagnetic steel sheet
RU2199594C1 (ru) * 2002-06-25 2003-02-27 Открытое акционерное общество "Новолипецкий металлургический комбинат" Способ производства анизотропной электротехнической стали
US7513959B2 (en) * 2002-12-05 2009-04-07 Jfe Steel Corporation Non-oriented electrical steel sheet and method for manufacturing the same
CN1258608C (zh) * 2003-10-27 2006-06-07 宝山钢铁股份有限公司 冷轧无取向电工钢的制造方法
CN100546762C (zh) * 2006-03-22 2009-10-07 宝山钢铁股份有限公司 一种冷轧无取向电工钢板及其生产方法
RU2398894C1 (ru) * 2006-06-16 2010-09-10 Ниппон Стил Корпорейшн Лист высокопрочной электротехнической стали и способ его производства
JP4855222B2 (ja) * 2006-11-17 2012-01-18 新日本製鐵株式会社 分割コア用無方向性電磁鋼板
CN100567545C (zh) * 2007-06-25 2009-12-09 宝山钢铁股份有限公司 一种高牌号无取向硅钢及其制造方法
CN101343683B (zh) * 2008-09-05 2011-04-20 首钢总公司 一种低铁损高磁感无取向电工钢的制造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06228645A (ja) * 1993-02-02 1994-08-16 Sumitomo Metal Ind Ltd 小型静止器用電磁鋼板の製造方法
JPH06279858A (ja) * 1993-03-25 1994-10-04 Nkk Corp 磁気特性と表面性状が優れた無方向性電磁鋼板の製造方法
JPH10140242A (ja) * 1996-11-14 1998-05-26 Nkk Corp 磁気異方性の小さな低級電磁鋼板の製造方法及び磁気異 方性の小さな低級電磁鋼板
US6406558B1 (en) * 1999-11-01 2002-06-18 Kawasaki Steel Corporation Method for manufacturing magnetic steel sheet having superior workability and magnetic properties
JP2009167480A (ja) * 2008-01-17 2009-07-30 Jfe Steel Corp エッチング加工用無方向性電磁鋼板とモータコアの製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012055215A1 *

Also Published As

Publication number Publication date
JP2013513724A (ja) 2013-04-22
CN102453837B (zh) 2013-07-17
EP2508629A1 (en) 2012-10-10
CN102453837A (zh) 2012-05-16
RU2527827C2 (ru) 2014-09-10
US20120285584A1 (en) 2012-11-15
MX2012006680A (es) 2012-10-15
WO2012055215A1 (zh) 2012-05-03
RU2012124187A (ru) 2013-12-20
KR101404101B1 (ko) 2014-06-09
KR20120086343A (ko) 2012-08-02

Similar Documents

Publication Publication Date Title
EP2508629A4 (en) PROCESS FOR MANUFACTURING NON-ORIENTED SILICON STEEL WITH HIGH MAGNETIC INDUCTION
EP2891728A4 (en) HIGH MAGNETIC INDUCTION ORIENTED SILICON STEEL AND METHOD OF MANUFACTURING THE SAME
EP2821511A4 (en) NON-CORRECTIVE SILICON STEEL AND METHOD OF MANUFACTURING THEREOF
EP2799579A4 (en) CORNORATED ELECTRIC STEEL PLATE AND METHOD FOR THE PRODUCTION THEREOF
EP2826872A4 (en) METHOD FOR PRODUCING A NON-ORIENTED MAGNETIC STEEL PLATE
GB201412616D0 (en) Inductive power transfer system and method
EP2762591A4 (en) NON-CORRECTED MAGNETIC STEEL PLATE
EP2612933A4 (en) PROCESS FOR THE PRODUCTION OF NON-ORIENTED MAGNETIC STEEL SHEET
ZA201205734B (en) Induction heating coil,device for manufacturing of workpiece,and manufacturing method
EP2618349A4 (en) METHOD FOR PRODUCING A RARE-DAMAGNET
EP2725591A4 (en) INDUCTOR AND MANUFACTURING METHOD THEREFOR
PL2778244T3 (pl) Sposób wytwarzania blachy cienkiej z niezorientowanej stali elektrotechnicznej
EP2679695A4 (en) NON-ORIENTED ELECTROMAGNETIC STEEL SHEET AND MANUFACTURING METHOD THEREOF
EP2799573A4 (en) NON-ORIENTED MAGNETIC STEEL SHEET AND METHOD OF MANUFACTURING THE SAME
EP2902507A4 (en) METHOD OF MANUFACTURING A COMMON CORNORIENTED SILICON STEEL WITH HIGH MAGNETIC INDUCTION
EP2796571A4 (en) HIGH SILICON STEEL SHEET HAVING EXCELLENT PRODUCTIVITY AND MAGNETIC PROPERTIES AND METHOD OF MANUFACTURING THE SAME
EP2832888A4 (en) NON-ORIENTED SILICON STEEL AND PROCESS FOR PRODUCING SAID STEEL
EP2799580A4 (en) CORNORATED ELECTRIC STEEL PLATE AND METHOD FOR THE PRODUCTION THEREOF
EP2657356A4 (en) ORIENTED GRAIN ELECTRIC STEEL SHEET HAVING SUPERIOR MAGNETIC PROPERTY AND METHOD OF MANUFACTURING THE SAME
EP2623566A4 (en) INSULATING NON-CHROME COATING FOR NON-ORIENTED SILICON STEEL
EP2664689A4 (en) CORNORATED MAGNETIC STEEL PLATE AND METHOD OF MANUFACTURING THEREOF
PL2602335T3 (pl) Sposób wytwarzania niezorientowanej blachy ze stali elektrotechnicznej
GB201016084D0 (en) Authorization method
PL3173503T3 (pl) Sposób wytwarzania niezorientowanej blachy ze stali elektrotechnicznej
EP2762578A4 (en) CORNORATED ELECTRIC STEEL PLATE AND METHOD OF MANUFACTURING THEREOF

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: 20120618

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: 20161102

RIC1 Information provided on ipc code assigned before grant

Ipc: C22C 38/06 20060101ALI20161026BHEP

Ipc: C22C 38/04 20060101ALI20161026BHEP

Ipc: C22C 38/12 20060101ALI20161026BHEP

Ipc: C22C 38/00 20060101ALI20161026BHEP

Ipc: C22C 38/14 20060101ALI20161026BHEP

Ipc: C21D 6/00 20060101ALI20161026BHEP

Ipc: C22C 38/02 20060101ALI20161026BHEP

Ipc: C21D 8/00 20060101ALI20161026BHEP

Ipc: C21D 8/12 20060101AFI20161026BHEP

Ipc: H01F 1/16 20060101ALI20161026BHEP

Ipc: C21D 1/00 20060101ALI20161026BHEP

17Q First examination report despatched

Effective date: 20190404

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

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20190815