EP2623621A4 - Procédé de production d'un acier au silicium à grains orientés ayant une densité élevée de flux magnétique - Google Patents

Procédé de production d'un acier au silicium à grains orientés ayant une densité élevée de flux magnétique Download PDF

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Publication number
EP2623621A4
EP2623621A4 EP11827950.4A EP11827950A EP2623621A4 EP 2623621 A4 EP2623621 A4 EP 2623621A4 EP 11827950 A EP11827950 A EP 11827950A EP 2623621 A4 EP2623621 A4 EP 2623621A4
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EP
European Patent Office
Prior art keywords
grain
magnetic flux
production method
flux density
silicon 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
EP11827950.4A
Other languages
German (de)
English (en)
Other versions
EP2623621A1 (fr
EP2623621B1 (fr
Inventor
Qi Xu
Kanyi Shen
Guobao Li
Weizhong Jin
Bingzhong Jin
Dejun Su
Renbiao Zhang
Hai 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
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Publication of EP2623621A1 publication Critical patent/EP2623621A1/fr
Publication of EP2623621A4 publication Critical patent/EP2623621A4/fr
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Publication of EP2623621B1 publication Critical patent/EP2623621B1/fr
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0278—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment
    • C21D8/0284—Application of a separating or insulating coating
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • 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
    • C21D1/26—Methods of annealing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
    • 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 by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
    • 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 by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
    • C21D8/1255—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest with diffusion of elements, e.g. decarburising, nitriding
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
    • C21D8/1261—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest following hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
    • C21D8/1272—Final recrystallisation annealing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1277—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular surface treatment
    • C21D8/1283—Application of a separating or insulating coating
    • 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
    • C22C38/008—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
    • C22C38/06—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
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Soft Magnetic Materials (AREA)
EP11827950.4A 2010-09-30 2011-04-14 Procédé de production d'un acier au silicium à grains orientés ayant une densité élevée de flux magnétique Active EP2623621B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2010102989547A CN102443736B (zh) 2010-09-30 2010-09-30 一种高磁通密度取向硅钢产品的生产方法
PCT/CN2011/072768 WO2012041054A1 (fr) 2010-09-30 2011-04-14 Procédé de production d'un acier au silicium à grains orientés ayant une densité élevée de flux magnétique

Publications (3)

Publication Number Publication Date
EP2623621A1 EP2623621A1 (fr) 2013-08-07
EP2623621A4 true EP2623621A4 (fr) 2017-12-06
EP2623621B1 EP2623621B1 (fr) 2019-03-13

Family

ID=45891877

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11827950.4A Active EP2623621B1 (fr) 2010-09-30 2011-04-14 Procédé de production d'un acier au silicium à grains orientés ayant une densité élevée de flux magnétique

Country Status (8)

Country Link
US (1) US20130233450A1 (fr)
EP (1) EP2623621B1 (fr)
JP (1) JP5864587B2 (fr)
KR (1) KR101451824B1 (fr)
CN (1) CN102443736B (fr)
MX (1) MX350000B (fr)
RU (1) RU2552562C2 (fr)
WO (1) WO2012041054A1 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103695619B (zh) * 2012-09-27 2016-02-24 宝山钢铁股份有限公司 一种高磁感普通取向硅钢的制造方法
CN104726761A (zh) * 2013-12-23 2015-06-24 鞍钢股份有限公司 一种低成本高磁感取向硅钢的生产方法
CN104726670B (zh) * 2013-12-23 2017-07-21 鞍钢股份有限公司 一种短流程中薄板坯制备高磁感取向硅钢的方法
CN103898409B (zh) * 2014-04-26 2016-08-17 河北联合大学 降低取向硅钢板坯加热温度的抑制剂及制备方法
CN104120233A (zh) * 2014-07-02 2014-10-29 东北大学 一次轧制制备取向高硅钢板的方法
JP6260513B2 (ja) * 2014-10-30 2018-01-17 Ｊｆｅスチール株式会社 方向性電磁鋼板の製造方法
KR101700125B1 (ko) * 2015-12-23 2017-01-26 주식회사 포스코 방향성 전기강판 및 이의 제조방법
CN107881411B (zh) * 2016-09-29 2019-12-31 宝山钢铁股份有限公司 一种低噪音变压器用低铁损取向硅钢产品及其制造方法
CN109306198A (zh) * 2018-08-22 2019-02-05 武汉钢铁有限公司 用于改善高磁感取向硅钢硅酸镁底层质量的涂液及其制备方法
CN110055393B (zh) * 2019-04-28 2021-01-12 首钢智新迁安电磁材料有限公司 一种薄规格低温高磁感取向硅钢带生产方法
CN110218853B (zh) * 2019-06-26 2020-11-24 武汉钢铁有限公司 制备低温高磁感取向硅钢的工艺方法
CN112391512B (zh) * 2019-08-13 2022-03-18 宝山钢铁股份有限公司 一种高磁感取向硅钢及其制造方法
CN111020140A (zh) * 2019-12-17 2020-04-17 无锡晶龙华特电工有限公司 一种磁性优良取向硅钢氧化镁退火隔离剂及其涂覆工艺
EP4308737A1 (fr) * 2021-11-16 2024-01-24 Maris Kesners Procédé de décarburation de surface d'acier pour la finition de la surface de pièces en acier avec lissage
EP4273280A1 (fr) 2022-05-04 2023-11-08 Thyssenkrupp Electrical Steel Gmbh Procédé de fabrication d'une bande d'acier électrique à grains orientés et bande d'acier électrique à grains orientés
CN117363963A (zh) * 2022-06-30 2024-01-09 宝山钢铁股份有限公司 一种取向硅钢及其制造方法
CN115449741B (zh) * 2022-09-20 2023-11-24 武汉钢铁有限公司 一种基于薄板坯连铸连轧生产高磁感取向硅钢及方法
CN116004970B (zh) * 2023-01-04 2023-09-22 安庆新普电气设备有限公司 一种提高取向硅钢高温退火温度均匀性的方法

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4010050A (en) * 1975-09-08 1977-03-01 Allegheny Ludlum Industries, Inc. Processing for aluminum nitride inhibited oriented silicon steel
US4171994A (en) * 1975-02-13 1979-10-23 Allegheny Ludlum Industries, Inc. Use of nitrogen-bearing base coatings in the manufacture of high permeability silicon steel
JP2000119752A (ja) * 1998-10-19 2000-04-25 Kawasaki Steel Corp 一方向性電磁鋼板の製造方法
JP2000129355A (ja) * 1998-10-29 2000-05-09 Kawasaki Steel Corp 方向性電磁鋼板の製造方法
JP2000144249A (ja) * 1998-11-10 2000-05-26 Kawasaki Steel Corp 被膜特性および磁気特性に優れる方向性けい素鋼板の製造方法
JP2004339603A (ja) * 2003-04-25 2004-12-02 Jfe Steel Kk 高周波磁気特性に優れた高強度無方向性電磁鋼板およびその製造方法
CN101069943A (zh) * 2006-05-12 2007-11-14 武汉分享科工贸有限公司 无取向冷轧电工钢板制造方法
EP1992708A1 (fr) * 2006-03-07 2008-11-19 Nippon Steel Corporation Procede de production d'une tole d'acier magnetique a grains orientes presentant d'excellentes proprietes magnetiques
CN101333620A (zh) * 2007-06-25 2008-12-31 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

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR208355A1 (es) * 1975-02-13 1976-12-20 Allegheny Ludlum Ind Inc Procedimiento para producir acero electromagnetico al silico
SU1652362A1 (ru) * 1988-09-19 1991-05-30 Новолипецкий металлургический комбинат Способ производства анизотропной электротехнической стали
JPH0625747A (ja) * 1992-07-13 1994-02-01 Nippon Steel Corp 薄手高磁束密度一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
JPH06192732A (ja) * 1992-12-24 1994-07-12 Kawasaki Steel Corp 磁気特性に優れた一方向性電磁鋼板の製造方法
RU2089626C1 (ru) * 1994-04-20 1997-09-10 Научно-производственное предприятие "Эста" Способ производства текстурированной электротехнической стали
JP3357578B2 (ja) * 1997-07-25 2002-12-16 川崎製鉄株式会社 極めて鉄損の低い方向性電磁鋼板及びその製造方法
DE19750066C1 (de) * 1997-11-12 1999-08-05 Ebg Elektromagnet Werkstoffe Verfahren zum Beschichten von Elektrostahlbändern mit einem Glühseparator
US6309473B1 (en) * 1998-10-09 2001-10-30 Kawasaki Steel Corporation Method of making grain-oriented magnetic steel sheet having low iron loss
RU2199594C1 (ru) * 2002-06-25 2003-02-27 Открытое акционерное общество "Новолипецкий металлургический комбинат" Способ производства анизотропной электротехнической стали
JP4123847B2 (ja) * 2002-07-09 2008-07-23 Ｊｆｅスチール株式会社 方向性珪素鋼板
KR100772243B1 (ko) * 2003-10-06 2007-11-01 신닛뽄세이테쯔 카부시키카이샤 고강도 전자 강판 및 그 제조 방법
JP4593317B2 (ja) * 2005-03-02 2010-12-08 新日本製鐵株式会社 磁気特性が優れた方向性電磁鋼板の製造方法
CN100455702C (zh) * 2005-11-29 2009-01-28 宝山钢铁股份有限公司 一种具有良好底层的低温加热生产取向硅钢的方法
CN101748257B (zh) * 2008-12-12 2011-09-28 鞍钢股份有限公司 一种取向硅钢的生产方法
CN101768697B (zh) * 2008-12-31 2012-09-19 宝山钢铁股份有限公司 用一次冷轧法生产取向硅钢的方法
CN101845582B (zh) * 2009-03-26 2011-09-21 宝山钢铁股份有限公司 一种高磁感取向硅钢产品的生产方法

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4171994A (en) * 1975-02-13 1979-10-23 Allegheny Ludlum Industries, Inc. Use of nitrogen-bearing base coatings in the manufacture of high permeability silicon steel
US4010050A (en) * 1975-09-08 1977-03-01 Allegheny Ludlum Industries, Inc. Processing for aluminum nitride inhibited oriented silicon steel
JP2000119752A (ja) * 1998-10-19 2000-04-25 Kawasaki Steel Corp 一方向性電磁鋼板の製造方法
JP2000129355A (ja) * 1998-10-29 2000-05-09 Kawasaki Steel Corp 方向性電磁鋼板の製造方法
JP2000144249A (ja) * 1998-11-10 2000-05-26 Kawasaki Steel Corp 被膜特性および磁気特性に優れる方向性けい素鋼板の製造方法
JP2004339603A (ja) * 2003-04-25 2004-12-02 Jfe Steel Kk 高周波磁気特性に優れた高強度無方向性電磁鋼板およびその製造方法
EP1992708A1 (fr) * 2006-03-07 2008-11-19 Nippon Steel Corporation Procede de production d'une tole d'acier magnetique a grains orientes presentant d'excellentes proprietes magnetiques
CN101069943A (zh) * 2006-05-12 2007-11-14 武汉分享科工贸有限公司 无取向冷轧电工钢板制造方法
CN101333620A (zh) * 2007-06-25 2008-12-31 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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012041054A1 *

Also Published As

Publication number Publication date
JP2013545885A (ja) 2013-12-26
KR101451824B1 (ko) 2014-10-16
EP2623621A1 (fr) 2013-08-07
RU2552562C2 (ru) 2015-06-10
MX2013003367A (es) 2013-05-22
CN102443736A (zh) 2012-05-09
RU2013114861A (ru) 2014-11-10
KR20130049823A (ko) 2013-05-14
MX350000B (es) 2017-08-23
WO2012041054A1 (fr) 2012-04-05
US20130233450A1 (en) 2013-09-12
CN102443736B (zh) 2013-09-04
EP2623621B1 (fr) 2019-03-13
JP5864587B2 (ja) 2016-02-17

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