EP0431167A4 - Production method of soft magnetic steel material - Google Patents

Production method of soft magnetic steel material

Info

Publication number
EP0431167A4
EP0431167A4 EP19900900339 EP90900339A EP0431167A4 EP 0431167 A4 EP0431167 A4 EP 0431167A4 EP 19900900339 EP19900900339 EP 19900900339 EP 90900339 A EP90900339 A EP 90900339A EP 0431167 A4 EP0431167 A4 EP 0431167A4
Authority
EP
European Patent Office
Prior art keywords
production method
steel material
soft magnetic
magnetic steel
soft
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
EP19900900339
Other versions
EP0431167B1 (en
EP0431167A1 (en
Inventor
Toshimichi Omori
Haruo Suzuki
Tetsuya Sanpei
Yasunobu Kunisada
Toshio Takano
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.)
JFE Engineering Corp
Original Assignee
NKK Corp
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 NKK Corp filed Critical NKK Corp
Publication of EP0431167A1 publication Critical patent/EP0431167A1/en
Publication of EP0431167A4 publication Critical patent/EP0431167A4/en
Application granted granted Critical
Publication of EP0431167B1 publication Critical patent/EP0431167B1/en
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 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Electromagnetism (AREA)
  • Soft Magnetic Materials (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
EP90900339A 1989-06-17 1989-12-08 Production method of soft magnetic steel material Expired - Lifetime EP0431167B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1155025A JP2682144B2 (en) 1988-10-24 1989-06-17 Method for manufacturing soft magnetic steel
JP155025/89 1989-06-17
PCT/JP1989/001231 WO1990015886A1 (en) 1989-06-17 1989-12-08 Production method of soft magnetic steel material

Publications (3)

Publication Number Publication Date
EP0431167A1 EP0431167A1 (en) 1991-06-12
EP0431167A4 true EP0431167A4 (en) 1993-02-24
EP0431167B1 EP0431167B1 (en) 1996-09-11

Family

ID=15597026

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90900339A Expired - Lifetime EP0431167B1 (en) 1989-06-17 1989-12-08 Production method of soft magnetic steel material

Country Status (7)

Country Link
EP (1) EP0431167B1 (en)
JP (1) JP2682144B2 (en)
KR (1) KR960014944B1 (en)
CN (1) CN1048236A (en)
CA (1) CA2019187A1 (en)
DE (1) DE68927174T2 (en)
WO (1) WO1990015886A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0499819A (en) * 1990-08-15 1992-03-31 Nkk Corp Production of mild magnetic steel products
WO1993008312A1 (en) * 1991-10-14 1993-04-29 Nkk Corporation Soft magnetic steel material with excellent direct current magnetizability and corrosion resistance and production thereof
KR100915199B1 (en) * 2007-09-07 2009-09-02 하미란 Manufacturing method for steel articles having soft magnetic property by hot forging and housing and core manufactured by the method
CN102796948B (en) * 2011-05-27 2014-03-19 宝山钢铁股份有限公司 Non-oriented electrical steel plate with extremely low content of Ti and smelting method for non-oriented electrical steel plate
WO2013072124A1 (en) * 2011-11-14 2013-05-23 Nv Bekaert Sa Steel wire for magnetic field absorption
CN104139167A (en) * 2014-07-31 2014-11-12 攀钢集团工程技术有限公司 Iron core, electromagnetic inductor with same and electromagnetic stirring device
KR101977507B1 (en) * 2017-12-22 2019-05-10 주식회사 포스코 Steel sheet for magnetic field shielding and method for manufacturing the same

Citations (1)

* 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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60208417A (en) * 1984-03-30 1985-10-21 Sumitomo Metal Ind Ltd Production of hot-rolled high magnetic permeability iron sheet
JPS6345443A (en) * 1986-08-11 1988-02-26 Toyota Motor Corp Abnormality deciding method for air-fuel ratio controller

Patent Citations (1)

* 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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9015886A1 *

Also Published As

Publication number Publication date
CN1048236A (en) 1991-01-02
CA2019187A1 (en) 1990-12-17
JP2682144B2 (en) 1997-11-26
EP0431167B1 (en) 1996-09-11
EP0431167A1 (en) 1991-06-12
KR920700301A (en) 1992-02-19
DE68927174D1 (en) 1996-10-17
JPH02213421A (en) 1990-08-24
WO1990015886A1 (en) 1990-12-27
DE68927174T2 (en) 1997-03-06
KR960014944B1 (en) 1996-10-21

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