DE69023890D1 - Verfahren zur Herstellung von nichtkornorientierten Elektrostahlhalbzeugen. - Google Patents

Verfahren zur Herstellung von nichtkornorientierten Elektrostahlhalbzeugen.

Info

Publication number
DE69023890D1
DE69023890D1 DE69023890T DE69023890T DE69023890D1 DE 69023890 D1 DE69023890 D1 DE 69023890D1 DE 69023890 T DE69023890 T DE 69023890T DE 69023890 T DE69023890 T DE 69023890T DE 69023890 D1 DE69023890 D1 DE 69023890D1
Authority
DE
Germany
Prior art keywords
grain
production
electrical steel
steel products
finished electrical
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 - Fee Related
Application number
DE69023890T
Other languages
English (en)
Other versions
DE69023890T2 (de
Inventor
Mario Barisoni
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.)
Acciai Speciali Terni SpA
Original Assignee
SVILUPPO MATERIALI SpA
Centro Sviluppo Materiali SpA
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 SVILUPPO MATERIALI SpA, Centro Sviluppo Materiali SpA filed Critical SVILUPPO MATERIALI SpA
Publication of DE69023890D1 publication Critical patent/DE69023890D1/de
Application granted granted Critical
Publication of DE69023890T2 publication Critical patent/DE69023890T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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 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
    • 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
    • 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
    • C21D8/1261—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Electromagnetism (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Soft Magnetic Materials (AREA)
  • Hard Magnetic Materials (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
DE69023890T 1989-12-22 1990-12-13 Verfahren zur Herstellung von nichtkornorientierten Elektrostahlhalbzeugen. Expired - Fee Related DE69023890T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT04868989A IT1237481B (it) 1989-12-22 1989-12-22 Procedimento per la prodizione di lamierino magnetico semifinito a grano non orientato.

Publications (2)

Publication Number Publication Date
DE69023890D1 true DE69023890D1 (de) 1996-01-11
DE69023890T2 DE69023890T2 (de) 1996-04-18

Family

ID=11268057

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69023890T Expired - Fee Related DE69023890T2 (de) 1989-12-22 1990-12-13 Verfahren zur Herstellung von nichtkornorientierten Elektrostahlhalbzeugen.

Country Status (5)

Country Link
US (1) US5045129A (de)
EP (1) EP0434641B1 (de)
AT (1) ATE130875T1 (de)
DE (1) DE69023890T2 (de)
IT (1) IT1237481B (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2665181B1 (fr) * 1990-07-30 1994-05-27 Ugine Aciers Procede de fabrication de tole d'acier magnetique a grains non orientes et tole obtenue par ce procede.
DE4337605C2 (de) * 1993-11-01 1996-02-08 Eko Stahl Gmbh Verfahren zur Erzeugung von kornorientiertem Elektroband und daraus hergestellte Magnetkerne
US5417739A (en) * 1993-12-30 1995-05-23 Ltv Steel Company, Inc. Method of making high nitrogen content steel
ES2146714T3 (es) * 1994-04-26 2000-08-16 Ltv Steel Co Inc Procedimiento para la fabricacion de aceros electricos.
US6217673B1 (en) 1994-04-26 2001-04-17 Ltv Steel Company, Inc. Process of making electrical steels
FR2744135B1 (fr) * 1996-01-25 1998-02-27 Usinor Sacilor Procede de fabrication de tole d'acier magnetique a grains non orientes et tole obtenue par le procede
JP3737558B2 (ja) * 1996-03-21 2006-01-18 Ｊｆｅスチール株式会社 無方向性電磁鋼板およびその製造方法
US5830259A (en) * 1996-06-25 1998-11-03 Ltv Steel Company, Inc. Preventing skull accumulation on a steelmaking lance
US5885323A (en) * 1997-04-25 1999-03-23 Ltv Steel Company, Inc. Foamy slag process using multi-circuit lance
DE19807122C2 (de) * 1998-02-20 2000-03-23 Thyssenkrupp Stahl Ag Verfahren zur Herstellung von nichtkornorientiertem Elektroblech
US6068708A (en) * 1998-03-10 2000-05-30 Ltv Steel Company, Inc. Process of making electrical steels having good cleanliness and magnetic properties
DE19918484C2 (de) * 1999-04-23 2002-04-04 Ebg Elektromagnet Werkstoffe Verfahren zum Herstellen von nichtkornorientiertem Elektroblech
US6425962B1 (en) * 1999-10-13 2002-07-30 Nippon Steel Corporation Non-oriented electrical steel sheet excellent in permeability and method of producing the same
CN100334785C (zh) * 2000-05-31 2007-08-29 皮雷利·卡维系统有限公司 屏蔽由电力传输线产生磁场的方法和电力传输线
WO2003014404A1 (de) * 2001-08-11 2003-02-20 Thyssenkrupp Electrical Steel Ebg Gmbh Nichtkornorientiertes elektroblech oder -band und verfahren zu seiner herstellung
CN103305748A (zh) 2012-03-15 2013-09-18 宝山钢铁股份有限公司 一种无取向电工钢板及其制造方法
JP6620522B2 (ja) * 2015-11-05 2019-12-18 日本製鉄株式会社 無方向性電磁鋼板用の熱延鋼帯及び無方向性電磁鋼板の製造方法
KR101904309B1 (ko) * 2016-12-19 2018-10-04 주식회사 포스코 무방향성 전기강판 및 그 제조방법

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3971678A (en) * 1972-05-31 1976-07-27 Stahlwerke Peine-Salzgitter Aktiengesellschaft Method of making cold-rolled sheet for electrical purposes
GB2057500B (en) * 1979-09-07 1983-05-18 British Steel Corp Electro magnetic steels
JPS58151453A (ja) * 1982-01-27 1983-09-08 Nippon Steel Corp 鉄損が低くかつ磁束密度のすぐれた無方向性電磁鋼板およびその製造法
JPS62267421A (ja) * 1986-05-15 1987-11-20 Kawasaki Steel Corp 鉄損の低い無方向性電磁鋼板の製造方法
JPS6383226A (ja) * 1986-09-29 1988-04-13 Nkk Corp 板厚精度および磁気特性が極めて均一な無方向性電磁鋼板およびその製造方法
JPS63186823A (ja) * 1987-01-27 1988-08-02 Sumitomo Metal Ind Ltd 磁気特性の優れた電磁鋼板の製造方法
JPH039923A (ja) * 1989-06-08 1991-01-17 Dainippon Ink & Chem Inc ポリエステルポリオールの製造法及びそれを用いたポリウレタンエラストマー

Also Published As

Publication number Publication date
IT1237481B (it) 1993-06-07
ATE130875T1 (de) 1995-12-15
EP0434641A3 (en) 1992-10-14
EP0434641B1 (de) 1995-11-29
DE69023890T2 (de) 1996-04-18
IT8948689A0 (it) 1989-12-22
EP0434641A2 (de) 1991-06-26
US5045129A (en) 1991-09-03

Similar Documents

Publication Publication Date Title
DE69023890D1 (de) Verfahren zur Herstellung von nichtkornorientierten Elektrostahlhalbzeugen.
ZA909748B (en) Non-oriented electrical strip and process for its production
KR890004781A (ko) 열간압연 강판 및 그 제조방법
ES8207224A1 (es) Procedimiento para producir acero silicioso orientado.
GB1422766A (en) Processing for high permeability silicon steel
GB1322135A (en) Method of producing a minimum-ridging type
DE69105247D1 (de) Verfahren zur Herstellung von kornorientierten Elektrostahlblechen mit geringen Eisenverlusten.
ATE75786T1 (de) Verfahren zur behandlung von kalt gewalztem rostfreiem stahlblech und stahlband.
DE3689781D1 (de) Verfahren zum Herstellen eines alterungsbeständigen Bandstahles mit hoher Kaltumformbarkeit.
ATE189704T1 (de) Verfahren zum herstellen von stahlband zum tiefziehen von stahldosen
KR910012296A (ko) 산세성 우수한 오스테나이트 스테인레스강의 제조방법
GB1464232A (en) Method of making cold-reduced al-killed steel strip for press- forming by continuous casting and continuous annealing process
DE1252220B (de)
SE7707032L (sv) Kiselstal v
DE59009505D1 (de) Verfahren zur herstellung von coilbreak-freiem warmband und alterungsbeständigem feuerverzinktem kaltband.
JPS5655520A (en) Production of surface decarbonized high carbon steel strip
JPS56127761A (en) Preparation of high strength zinc hot dipping steel plate with low yield ratio
JPS56102519A (en) Cold rolling method for stainless steel of high strength
SU373324A1 (ru) Способ обработки холоднокатаной трансформаторной стали
KR890010242A (ko) 자성이 우수한 무방향성전기강판의 제조방법
JPS5770231A (en) Production of ferritic stainless steel sheet having excellent workability
JPS5770230A (en) Production of ferritic stainless steel containing al
Nishimoto et al. Non-Oriented Electrical Steel Sheets and Producing Non-Oriented Steel Sheets
KR870005104A (ko) 고장력 볼트용 선재의 제조방법
JPS564207A (en) Manufacture of permanent magnet with torsion

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ACCIAI SPECIALI TERNI S.P.A., TERNI, IT

8339 Ceased/non-payment of the annual fee