JPS56152925A - Production of nondirectional electrical steel sheet having low watt loss - Google Patents

Production of nondirectional electrical steel sheet having low watt loss

Info

Publication number
JPS56152925A
JPS56152925A JP5577480A JP5577480A JPS56152925A JP S56152925 A JPS56152925 A JP S56152925A JP 5577480 A JP5577480 A JP 5577480A JP 5577480 A JP5577480 A JP 5577480A JP S56152925 A JPS56152925 A JP S56152925A
Authority
JP
Japan
Prior art keywords
rolling
steel sheet
subjected
peripheral speed
production
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
JP5577480A
Other languages
Japanese (ja)
Other versions
JPS5830928B2 (en
Inventor
Tsutomu Haratani
Tadashi Nakayama
Fumio Matsumoto
Tetsuhiro Hayamizu
Hiromi Matsumoto
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 JP55055774A priority Critical patent/JPS5830928B2/en
Publication of JPS56152925A publication Critical patent/JPS56152925A/en
Publication of JPS5830928B2 publication Critical patent/JPS5830928B2/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

Abstract

PURPOSE:To produce the titled steel sheet stably by subjecting a low-carbon steel ingot contg. Si, Al to hot rolling including dissimilar peripheral speed rolling in which the peripheral speeds between upper and lower rolls differ by more than a specific rate. CONSTITUTION:In hot rolling a steel ingot contg. 1.5-4.5% Si, <=1.0% Al, and <=0.05% C, it is subjected to at least one pass of dissimilar peripheral speed rolling in which the rate of difference in peripheral speed between upper and lower rolls is >=10%. Thence, it is subjected to one time of cold rolling or >=2 times of cold rolling including intermediate annealing after or without annealing then, it is subjected to recrystallization annealing, whereby normally grown crystal grains are grown over the entire part of the cold rolled steel strip.
JP55055774A 1980-04-26 1980-04-26 Manufacturing method of non-oriented electrical steel sheet with low core loss Expired JPS5830928B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55055774A JPS5830928B2 (en) 1980-04-26 1980-04-26 Manufacturing method of non-oriented electrical steel sheet with low core loss

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55055774A JPS5830928B2 (en) 1980-04-26 1980-04-26 Manufacturing method of non-oriented electrical steel sheet with low core loss

Publications (2)

Publication Number Publication Date
JPS56152925A true JPS56152925A (en) 1981-11-26
JPS5830928B2 JPS5830928B2 (en) 1983-07-02

Family

ID=13008218

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55055774A Expired JPS5830928B2 (en) 1980-04-26 1980-04-26 Manufacturing method of non-oriented electrical steel sheet with low core loss

Country Status (1)

Country Link
JP (1) JPS5830928B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103071677A (en) * 2012-12-29 2013-05-01 东北大学 Method for preparing oriented silicon steel with asymmetrical rolling technique
JP2020041169A (en) * 2018-09-06 2020-03-19 日本製鉄株式会社 Non-oriented magnetic steel sheet and manufacturing method therefor

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0450630Y2 (en) * 1985-04-30 1992-11-30

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103071677A (en) * 2012-12-29 2013-05-01 东北大学 Method for preparing oriented silicon steel with asymmetrical rolling technique
JP2020041169A (en) * 2018-09-06 2020-03-19 日本製鉄株式会社 Non-oriented magnetic steel sheet and manufacturing method therefor

Also Published As

Publication number Publication date
JPS5830928B2 (en) 1983-07-02

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