Title:
SILICON STEEL SHEET EXCELLENT IN MAGNETIC PROPERTY AFTER ANNEALING BY SHORT-TIME HIGH FREQUENCY INDUCTION HEATING, AND ITS PRODUCTION
Document Type and Number:
Japanese Patent JPH10121214
Kind Code:
A
Abstract:
To obtain an inexpensive nonoriented silicon steel sheet excellent in magnetic properties after magnetic annealing by short-time high frequency induction heating.
A steel, having a composition which consists of ≤0.005% C, 0.50-1.30% (Si+1/2Mn), ≤0.010% S, ≤0.002% Al, and the balance essentially Fe and in which inevitable contamination with Ti, Ni, V, and Zr is controlled so that (Ti+Nb+V+Zr)=0.001 to 0.01% is satisfied, is used. By this method, excellent iron loss can be obtained by means of magnetic annealing by short- time high frequency induction heating and an energy cost at the time of magnetic annealing can be reduced, and cost reduction of the nonoriented silicon steel sheet can be attained.
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Inventors:
HONJO NORIYUKI
NAKAYAMA TAISEI
NAKAYAMA TAISEI
Application Number:
JP29344896A
Publication Date:
May 12, 1998
Filing Date:
October 14, 1996
Export Citation:
Assignee:
SUMITOMO METAL IND
International Classes:
C21D8/12; C22C38/00; C22C38/12; H01F1/147; H01F1/16; (IPC1-7): C22C38/00; C21D8/12; C22C38/12; H01F1/16
Attorney, Agent or Firm:
Yoshihisa Oshida
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