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IT1237481B - Procedimento per la prodizione di lamierino magnetico semifinito a grano non orientato. - Google Patents

Procedimento per la prodizione di lamierino magnetico semifinito a grano non orientato.

Info

Publication number
IT1237481B
IT1237481B IT04868989A IT4868989A IT1237481B IT 1237481 B IT1237481 B IT 1237481B IT 04868989 A IT04868989 A IT 04868989A IT 4868989 A IT4868989 A IT 4868989A IT 1237481 B IT1237481 B IT 1237481B
Authority
IT
Italy
Prior art keywords
production
oriented
semi
procedure
magnetic sheet
Prior art date
Application number
IT04868989A
Other languages
English (en)
Other versions
IT8948689A0 (it
Original Assignee
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 filed Critical Sviluppo Materiali Spa
Priority to IT04868989A priority Critical patent/IT1237481B/it
Publication of IT8948689A0 publication Critical patent/IT8948689A0/it
Priority to EP90830584A priority patent/EP0434641B1/en
Priority to AT90830584T priority patent/ATE130875T1/de
Priority to DE69023890T priority patent/DE69023890T2/de
Priority to US07/629,246 priority patent/US5045129A/en
Application granted granted Critical
Publication of IT1237481B publication Critical patent/IT1237481B/it

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)
IT04868989A 1989-12-21 1989-12-22 Procedimento per la prodizione di lamierino magnetico semifinito a grano non orientato. IT1237481B (it)

Priority Applications (5)

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.
EP90830584A EP0434641B1 (en) 1989-12-22 1990-12-13 Process for the production of semiprocessed non oriented grain electrical steel
AT90830584T ATE130875T1 (de) 1989-12-22 1990-12-13 Verfahren zur herstellung von nichtkornorientierten elektrostahlhalbzeugen.
DE69023890T DE69023890T2 (de) 1989-12-22 1990-12-13 Verfahren zur Herstellung von nichtkornorientierten Elektrostahlhalbzeugen.
US07/629,246 US5045129A (en) 1989-12-21 1990-12-18 Process for the production of semiprocessed non oriented grain electrical steel

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
IT8948689A0 IT8948689A0 (it) 1989-12-22
IT1237481B true IT1237481B (it) 1993-06-07

Family

ID=11268057

Family Applications (1)

Application Number Title Priority Date Filing Date
IT04868989A IT1237481B (it) 1989-12-21 1989-12-22 Procedimento per la prodizione di lamierino magnetico semifinito a grano non orientato.

Country Status (5)

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

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
US6217673B1 (en) 1994-04-26 2001-04-17 Ltv Steel Company, Inc. Process of making electrical steels
DE69517557T2 (de) * 1994-04-26 2001-02-08 Ltv Steel Co., Inc. Verfahren zum Herstellen von Elektrostahl
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
EP1287598B1 (en) * 2000-05-31 2011-04-06 Prysmian S.p.A. Method of screening the magnetic field generated by an electrical power transmission line, and electrical power transmission line
EP1415008A1 (de) * 2001-08-11 2004-05-06 ThyssenKrupp Stahl AG 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
IT8948689A0 (it) 1989-12-22
US5045129A (en) 1991-09-03
DE69023890T2 (de) 1996-04-18
DE69023890D1 (de) 1996-01-11
ATE130875T1 (de) 1995-12-15
EP0434641A2 (en) 1991-06-26
EP0434641B1 (en) 1995-11-29
EP0434641A3 (en) 1992-10-14

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19961230