Title:
Directional electrical steel sheet and its manufacturing method
Document Type and Number:
Japanese Patent JP6350398
Kind Code:
B2
Abstract:
The disclosure contains, in mass% or mass ppm: C: 0.005 % or less, Si: 2.0 % to 5.0 %, Mn: 0.01 % to 0.5 %, sol.Al: 10 ppm or less, N: 15 ppm or less, S and Se: each 10 ppm or less, and three or more selected from Sn, Sb, Cr, P, Mo and B whose contents satisfy a relational expression of 0.16 ¤ [%Sn] + [%Sb] + [%Cr] + 2 × [%P] + [%Mo] + [%B] ¤ 0.50, the balance being Fe and inevitable impurities, where a number of times of repeated bending in a bend test is 10 or more.
Inventors:
Aragaki
Yasuyuki Hayakawa
Takenaka Masaki
Yasuyuki Hayakawa
Takenaka Masaki
Application Number:
JP2015116894A
Publication Date:
July 04, 2018
Filing Date:
June 09, 2015
Export Citation:
Assignee:
jfe Steel Corporation
International Classes:
C22C38/00; C21D8/12; C21D9/46; C22C38/60; H01F1/147
Domestic Patent References:
| JP2015098637A | ||||
| JP2012112006A | ||||
| JP2004285402A | ||||
| JP2004169179A | ||||
| JP2004332071A |
Attorney, Agent or Firm:
Kenji Sugimura
Keisuke Kawahara
Kengo Sake
Keisuke Kawahara
Kengo Sake
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