JPS5547320A - Manufacture of nondirectional silicon steel sheet excellent in magnetic characteristic - Google Patents

Manufacture of nondirectional silicon steel sheet excellent in magnetic characteristic

Info

Publication number
JPS5547320A
JPS5547320A JP12043978A JP12043978A JPS5547320A JP S5547320 A JPS5547320 A JP S5547320A JP 12043978 A JP12043978 A JP 12043978A JP 12043978 A JP12043978 A JP 12043978A JP S5547320 A JPS5547320 A JP S5547320A
Authority
JP
Japan
Prior art keywords
slab
silicon steel
steel sheet
magnetic characteristic
rolling
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
JP12043978A
Other languages
Japanese (ja)
Other versions
JPS581172B2 (en
Inventor
Shigenobu Koga
Ichiro Tateno
Yoshiaki Shimoyama
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel 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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP53120439A priority Critical patent/JPS581172B2/en
Publication of JPS5547320A publication Critical patent/JPS5547320A/en
Publication of JPS581172B2 publication Critical patent/JPS581172B2/en
Expired 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Soft Magnetic Materials (AREA)

Abstract

PURPOSE:To stably manufacture the nondirectional silicon steel sheet excellent in the magnetic characteristic, by hot rolling the silicon steel slab of special composition including B and diminished Al, and by annealing the slab through the cold rolling more than twice including the intermediate annealing pass. CONSTITUTION:The hot rolling is applied to the steel slab composed of C<=0.015 %, Si 2.0-3.5%, Al<=0.10%, O<=0.010%, B/Ni 0.50-2.50%, and the balance consisting of iron and inevitable impurities. This hot rolled slab is formed into the final dimension by one pass of the cold rolling or more than twice of cold rollings including the intermediate annealing pass. Next, the annealing is again applied to the slab. According to this steel composition and the rolling method, the nondirectional silicon steel sheet which possesses the magnetic characteristic better than the material made by spending large amount of expensive Al and suffers little deterioration of the iron loss owing to the temperature rise caused in heating for the hot rolling, can be manufactured.
JP53120439A 1978-10-02 1978-10-02 Manufacturing method of non-oriented silicon steel sheet with excellent magnetic properties Expired JPS581172B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53120439A JPS581172B2 (en) 1978-10-02 1978-10-02 Manufacturing method of non-oriented silicon steel sheet with excellent magnetic properties

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53120439A JPS581172B2 (en) 1978-10-02 1978-10-02 Manufacturing method of non-oriented silicon steel sheet with excellent magnetic properties

Publications (2)

Publication Number Publication Date
JPS5547320A true JPS5547320A (en) 1980-04-03
JPS581172B2 JPS581172B2 (en) 1983-01-10

Family

ID=14786224

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53120439A Expired JPS581172B2 (en) 1978-10-02 1978-10-02 Manufacturing method of non-oriented silicon steel sheet with excellent magnetic properties

Country Status (1)

Country Link
JP (1) JPS581172B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7470333B2 (en) 2003-05-06 2008-12-30 Nippon Steel Corp. Non-oriented electrical steel sheet excellent in core loss and manufacturing method thereof
EP3564399A4 (en) * 2016-12-28 2019-11-13 JFE Steel Corporation Non-oriented electromagnetic steel sheet having excellent recyclability
US11060162B2 (en) 2016-12-19 2021-07-13 Posco Non-oriented electrical steel sheet and manufacturing method therefor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7470333B2 (en) 2003-05-06 2008-12-30 Nippon Steel Corp. Non-oriented electrical steel sheet excellent in core loss and manufacturing method thereof
US11060162B2 (en) 2016-12-19 2021-07-13 Posco Non-oriented electrical steel sheet and manufacturing method therefor
EP3564399A4 (en) * 2016-12-28 2019-11-13 JFE Steel Corporation Non-oriented electromagnetic steel sheet having excellent recyclability

Also Published As

Publication number Publication date
JPS581172B2 (en) 1983-01-10

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