KR100524441B1 - 박판슬래브로부터 고자기 특성을 갖는 방향성 전기스틸스트립의 제조방법 - Google Patents

박판슬래브로부터 고자기 특성을 갖는 방향성 전기스틸스트립의 제조방법 Download PDF

Info

Publication number
KR100524441B1
KR100524441B1 KR10-1999-7001256A KR19997001256A KR100524441B1 KR 100524441 B1 KR100524441 B1 KR 100524441B1 KR 19997001256 A KR19997001256 A KR 19997001256A KR 100524441 B1 KR100524441 B1 KR 100524441B1
Authority
KR
South Korea
Prior art keywords
annealing
strip
temperature
ppm
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.)
Expired - Lifetime
Application number
KR10-1999-7001256A
Other languages
English (en)
Korean (ko)
Other versions
KR20000029990A (ko
Inventor
포르투나티스테파노
시칼레스테파노
아브르제세기우세페
Original Assignee
아시아이 스페설리 테르니 에스피에이
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 아시아이 스페설리 테르니 에스피에이 filed Critical 아시아이 스페설리 테르니 에스피에이
Publication of KR20000029990A publication Critical patent/KR20000029990A/ko
Application granted granted Critical
Publication of KR100524441B1 publication Critical patent/KR100524441B1/ko
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • 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
    • 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
    • C21D8/1211—Rapid solidification; Thin strip casting
    • 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
    • H01F1/032—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 hard-magnetic materials
    • H01F1/04—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 hard-magnetic materials metals or alloys
    • 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
    • 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
    • C21D8/1244—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
    • C21D8/1255—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 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 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
    • C21D8/1261—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 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 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Thermal Sciences (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Continuous Casting (AREA)
  • Soft Magnetic Materials (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
KR10-1999-7001256A 1996-08-30 1997-07-21 박판슬래브로부터 고자기 특성을 갖는 방향성 전기스틸스트립의 제조방법 Expired - Lifetime KR100524441B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT???RM96A000600 1996-08-30
IT96RM000600A IT1284268B1 (it) 1996-08-30 1996-08-30 Procedimento per la produzione di lamierino magnetico a grano orientato, con elevate caratteristiche magnetiche, a partire da

Publications (2)

Publication Number Publication Date
KR20000029990A KR20000029990A (ko) 2000-05-25
KR100524441B1 true KR100524441B1 (ko) 2005-10-26

Family

ID=11404407

Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-1999-7001256A Expired - Lifetime KR100524441B1 (ko) 1996-08-30 1997-07-21 박판슬래브로부터 고자기 특성을 갖는 방향성 전기스틸스트립의 제조방법

Country Status (18)

Country Link
US (1) US6296719B1 (https=)
EP (1) EP0922119B1 (https=)
JP (1) JP4653261B2 (https=)
KR (1) KR100524441B1 (https=)
CN (1) CN1073164C (https=)
AT (1) ATE196780T1 (https=)
AU (1) AU3695997A (https=)
BR (1) BR9711270A (https=)
CZ (1) CZ291167B6 (https=)
DE (1) DE69703246T2 (https=)
ES (1) ES2153208T3 (https=)
GR (1) GR3035165T3 (https=)
IN (1) IN192028B (https=)
IT (1) IT1284268B1 (https=)
PL (1) PL182816B1 (https=)
RU (1) RU2194775C2 (https=)
SK (1) SK283599B6 (https=)
WO (1) WO1998008987A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101462044B1 (ko) * 2008-12-31 2014-11-14 바오샨 아이론 앤 스틸 유한공사 1차 냉간 압연 공정을 포함하고 있는 규소 강철의 제조방법

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1290978B1 (it) 1997-03-14 1998-12-14 Acciai Speciali Terni Spa Procedimento per il controllo dell'inibizione nella produzione di lamierino magnetico a grano orientato
CN1143004C (zh) * 1998-03-11 2004-03-24 新日本制铁株式会社 单取向电工钢板及其制备方法
DE69923102T3 (de) † 1998-03-30 2015-10-15 Nippon Steel & Sumitomo Metal Corporation Verfahren zur Herstellung eines kornorientierten Elektrobleches mit ausgezeichneten magnetischen Eigenschaften
WO2000040354A1 (en) * 1998-12-28 2000-07-13 Nippon Steel Corporation Continuous casting billet and production method therefor
IT1317894B1 (it) * 2000-08-09 2003-07-15 Acciai Speciali Terni Spa Procedimento per la regolazione della distribuzione degli inibitorinella produzione di lamierini magnetici a grano orientato.
IT1316029B1 (it) * 2000-12-18 2003-03-26 Acciai Speciali Terni Spa Processo per la produzione di acciaio magnetico a grano orientato.
JP4258349B2 (ja) * 2002-10-29 2009-04-30 Ｊｆｅスチール株式会社 方向性電磁鋼板の製造方法
CN1295035C (zh) * 2004-03-30 2007-01-17 东北大学 一种取向硅钢极薄带的制造方法
CN100381598C (zh) * 2004-12-27 2008-04-16 宝山钢铁股份有限公司 一种取向硅钢及其生产方法和装置
KR100650554B1 (ko) 2005-07-29 2006-11-29 주식회사 포스코 두께가 두꺼운 방향성 전기강판의 제조방법
CN100389222C (zh) * 2005-12-13 2008-05-21 武汉钢铁(集团)公司 提高含铜取向硅钢电磁性能和底层质量的生产方法
US7736444B1 (en) 2006-04-19 2010-06-15 Silicon Steel Technology, Inc. Method and system for manufacturing electrical silicon steel
DE102007005015A1 (de) * 2006-06-26 2008-01-03 Sms Demag Ag Verfahren und Anlage zur Herstellung von Warmband-Walzgut aus Siliziumstahl auf der Basis von Dünnbrammen
CN101643881B (zh) * 2008-08-08 2011-05-11 宝山钢铁股份有限公司 一种含铜取向硅钢的生产方法
IT1396714B1 (it) 2008-11-18 2012-12-14 Ct Sviluppo Materiali Spa Procedimento per la produzione di lamierino magnetico a grano orientato a partire da bramma sottile.
CN101748259B (zh) * 2008-12-12 2011-12-07 鞍钢股份有限公司 一种低温加热生产高磁感取向硅钢的方法
EP2412831B8 (en) * 2009-03-23 2021-03-10 Nippon Steel Corporation Manufacturing method of grain oriented electrical steel sheet
RU2496905C1 (ru) * 2009-07-31 2013-10-27 ДжФЕ СТИЛ КОРПОРЕЙШН Лист электротехнической стали с ориентированными зернами
IT1402624B1 (it) 2009-12-23 2013-09-13 Ct Sviluppo Materiali Spa Procedimento per la produzione di lamierini magnetici a grano orientato.
BR112012023165B1 (pt) * 2010-03-17 2019-02-12 Nippon Steel & Sumitomo Metal Corporation Método de produção de chapa de aço elétrico com grão orientado
RU2410174C1 (ru) * 2010-03-18 2011-01-27 Общество С Ограниченной Ответственностью "Исследовательско-Технологический Центр "Аусферр" Способ производства горячекатаного листового проката
CN101956127B (zh) * 2010-10-15 2012-05-30 马鞍山钢铁股份有限公司 含Sn无取向电工钢板卷的制备方法
JP5772410B2 (ja) * 2010-11-26 2015-09-02 Ｊｆｅスチール株式会社 方向性電磁鋼板の製造方法
CN102828006B (zh) * 2011-06-14 2014-06-04 鞍钢股份有限公司 一种冷轧硅钢采用间歇式减量通入氢气的退火方法
DE102011054004A1 (de) * 2011-09-28 2013-03-28 Thyssenkrupp Electrical Steel Gmbh Verfahren zum Herstellen eines kornorientierten, für elektrotechnische Anwendungen bestimmten Elektrobands oder -blechs
CN103305744B (zh) * 2012-03-08 2016-03-30 宝山钢铁股份有限公司 一种高质量硅钢常化基板的生产方法
JP5423909B1 (ja) * 2012-07-20 2014-02-19 新日鐵住金株式会社 方向性電磁鋼板の製造方法
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
JP5871137B2 (ja) 2012-12-12 2016-03-01 Ｊｆｅスチール株式会社 方向性電磁鋼板
CN103774042B (zh) * 2013-12-23 2016-05-25 钢铁研究总院 一种薄板坯连铸连轧高磁感取向硅钢及其制备方法
DE102014112286A1 (de) * 2014-08-27 2016-03-03 Thyssenkrupp Ag Verfahren zur Herstellung eines aufgestickten Verpackungsstahls
JP6098772B2 (ja) * 2014-11-27 2017-03-22 Ｊｆｅスチール株式会社 方向性電磁鋼板の製造方法
KR102062222B1 (ko) * 2015-09-28 2020-01-03 닛폰세이테츠 가부시키가이샤 방향성 전자 강판 및 방향성 전자 강판용의 열연 강판
JP6572855B2 (ja) * 2016-09-21 2019-09-11 Ｊｆｅスチール株式会社 方向性電磁鋼板およびその製造方法
JP6631724B2 (ja) * 2016-11-01 2020-01-15 Ｊｆｅスチール株式会社 方向性電磁鋼板の製造方法
US20190256938A1 (en) * 2016-11-01 2019-08-22 Jfe Steel Corporation Method for producing grain-oriented electrical steel sheet
US11286538B2 (en) 2017-02-20 2022-03-29 Jfe Steel Corporation Method for manufacturing grain-oriented electrical steel sheet
CN108165876B (zh) * 2017-12-11 2020-09-01 鞍钢股份有限公司 一种改善低温渗氮取向硅钢表面质量的方法
CN109675927B (zh) * 2018-12-11 2021-04-13 西安诺博尔稀贵金属材料股份有限公司 一种核电用410不锈钢带材的制备方法
RU2701606C1 (ru) * 2019-04-29 2019-09-30 Общество с ограниченной ответственностью "ВИЗ-Сталь" Способ производства анизотропной электротехнической стали с высокой проницаемостью
CN111531138B (zh) * 2020-06-10 2021-12-14 武汉钢铁有限公司 一种薄板坯连铸连轧生产无取向电工钢的方法
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

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5397923A (en) * 1977-02-08 1978-08-26 Nippon Steel Corp Manufacture of oriented electrical steel sheet with high magnetic flux density
JPS5483620A (en) * 1977-12-17 1979-07-03 Nippon Steel Corp Manufacture of oriented electrical steel sheet
GB2130241B (en) * 1982-09-24 1986-01-15 Nippon Steel Corp Method for producing a grain-oriented electrical steel sheet having a high magnetic flux density
SU1314687A1 (ru) * 1985-05-05 1995-09-27 Научно-исследовательский институт металлургии Способ производства листовой электротехнической стали
JPH0717961B2 (ja) * 1988-04-25 1995-03-01 新日本製鐵株式会社 磁気特性、皮膜特性ともに優れた一方向性電磁鋼板の製造方法
RU2002820C1 (ru) * 1991-07-01 1993-11-15 Новолипецкий металлургический комбинат им.Ю.В.Андропова Способ производства анизотропной электротехнической стали
JP2620438B2 (ja) * 1991-10-28 1997-06-11 新日本製鐵株式会社 磁束密度の高い一方向性電磁鋼板の製造方法
KR960010811B1 (ko) * 1992-04-16 1996-08-09 신니뽄세이데스 가부시끼가이샤 자성이 우수한 입자배향 전기 강 시트의 제조방법
US5507883A (en) * 1992-06-26 1996-04-16 Nippon Steel Corporation Grain oriented electrical steel sheet having high magnetic flux density and ultra low iron loss and process for production the same
RU2048544C1 (ru) * 1993-02-15 1995-11-20 Новолипецкий металлургический комбинат им.Ю.В.Андропова Способ производства анизотропной электротехнической стали
DE4311151C1 (de) * 1993-04-05 1994-07-28 Thyssen Stahl Ag Verfahren zur Herstellung von kornorientierten Elektroblechen mit verbesserten Ummagnetisierungsverlusten
JPH06336611A (ja) * 1993-05-27 1994-12-06 Nippon Steel Corp 磁気特性の優れた一方向性電磁鋼板の製造方法
JP3063518B2 (ja) * 1993-12-27 2000-07-12 株式会社日立製作所 連続鋳造装置及び連続鋳造システム

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101462044B1 (ko) * 2008-12-31 2014-11-14 바오샨 아이론 앤 스틸 유한공사 1차 냉간 압연 공정을 포함하고 있는 규소 강철의 제조방법

Also Published As

Publication number Publication date
EP0922119A1 (en) 1999-06-16
AU3695997A (en) 1998-03-19
CN1073164C (zh) 2001-10-17
CZ291167B6 (cs) 2003-01-15
IN192028B (https=) 2004-02-07
EP0922119B1 (en) 2000-10-04
DE69703246T2 (de) 2001-04-26
WO1998008987A1 (en) 1998-03-05
PL331735A1 (en) 1999-08-02
RU2194775C2 (ru) 2002-12-20
ES2153208T3 (es) 2001-02-16
CN1228817A (zh) 1999-09-15
KR20000029990A (ko) 2000-05-25
SK283599B6 (sk) 2003-10-07
CZ67199A3 (cs) 2000-01-12
GR3035165T3 (en) 2001-04-30
ATE196780T1 (de) 2000-10-15
US6296719B1 (en) 2001-10-02
JP2001500568A (ja) 2001-01-16
PL182816B1 (pl) 2002-03-29
IT1284268B1 (it) 1998-05-14
BR9711270A (pt) 2000-01-18
SK26299A3 (en) 2000-04-10
ITRM960600A1 (it) 1998-03-02
DE69703246D1 (de) 2000-11-09
JP4653261B2 (ja) 2011-03-16

Similar Documents

Publication Publication Date Title
KR100524441B1 (ko) 박판슬래브로부터 고자기 특성을 갖는 방향성 전기스틸스트립의 제조방법
KR100524442B1 (ko) 박판슬래브로부터 방향성 전기스틸스트립의 제조방법
KR100561142B1 (ko) 높은 자기 특성을 가진 방향성 전기강판의 생산 방법
KR100207834B1 (ko) 고 자속 밀도와 저 철손을 갖는 무방향성 전기강판의 제조방법
RU99106588A (ru) Способ получения текстуированной электротехнической полосовой стали с высокими магнитными характеристиками, начиная с тонких слябов
KR950005793B1 (ko) 자속밀도가 높은 일방향성 전기 강스트립의 제조방법
CZ291194B6 (cs) Způsob výroby pásů z křemíkové oceli
CA2107372C (en) Method for producing regular grain oriented electrical steel using a single stage cold reduction
KR100831756B1 (ko) 그레인 방향성 전기 강 스트립의 제조시 억제제 분포를조절하는 방법
KR960011799B1 (ko) 무방향성 전기 강판의 제조 방법
CA2033059C (en) Process for producing grain oriented silicon steel sheets having excellent magnetic properties
KR20000043790A (ko) 철손이 낮은 무방향성 전기강판 및 그 제조방법
KR100435480B1 (ko) 자성이 우수한 세미프로세스 무방향성 전기강판의 제조방법
KR100340550B1 (ko) 피막특성이우수한고자속밀도방향성전기강판의제조방법
KR100270394B1 (ko) 방향성 전기강판의 제조방법
KR20030053154A (ko) 자성이 우수한 무방향성 전기강판의 제조방법
KR100817156B1 (ko) 자기적 성질이 뛰어난 방향성 전기강판의 제조방법
JPH02107718A (ja) 無方向性電磁鋼板用スラブの加熱方法
KR19980050804A (ko) 1회 압연 소둔법의 저온 재가열 방향성 전기 강판의 제조 방법
JPH03104822A (ja) 無方向性電磁鋼板用スラブの加熱方法
JPS62267421A (ja) 鉄損の低い無方向性電磁鋼板の製造方法
JPS6338528A (ja) 連続焼鈍用冷延鋼板の母材の製造方法

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 19990213

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20020713

Comment text: Request for Examination of Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20050202

Patent event code: PE09021S01D

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20050809

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20051020

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20051019

End annual number: 3

Start annual number: 1

PG1601 Publication of registration
PR1001 Payment of annual fee

Payment date: 20081014

Start annual number: 4

End annual number: 4

PR1001 Payment of annual fee

Payment date: 20090925

Start annual number: 5

End annual number: 5

PR1001 Payment of annual fee

Payment date: 20100930

Start annual number: 6

End annual number: 6

PR1001 Payment of annual fee

Payment date: 20110926

Start annual number: 7

End annual number: 7

FPAY Annual fee payment

Payment date: 20121008

Year of fee payment: 8

PR1001 Payment of annual fee

Payment date: 20121008

Start annual number: 8

End annual number: 8

FPAY Annual fee payment

Payment date: 20131002

Year of fee payment: 9

PR1001 Payment of annual fee

Payment date: 20131002

Start annual number: 9

End annual number: 9

FPAY Annual fee payment

Payment date: 20141007

Year of fee payment: 10

PR1001 Payment of annual fee

Payment date: 20141007

Start annual number: 10

End annual number: 10

FPAY Annual fee payment

Payment date: 20150918

Year of fee payment: 11

PR1001 Payment of annual fee

Payment date: 20150918

Start annual number: 11

End annual number: 11

FPAY Annual fee payment

Payment date: 20160921

Year of fee payment: 12

PR1001 Payment of annual fee

Payment date: 20160921

Start annual number: 12

End annual number: 12

EXPY Expiration of term
PC1801 Expiration of term

Termination date: 20180121

Termination category: Expiration of duration