Title:
無方向性電磁鋼板用熱延鋼板
Document Type and Number:
Japanese Patent JP7063421
Kind Code:
B2
Abstract:
A hot-rolled steel sheet for a non-oriented electrical steel sheet containing, in mass%, components of C: 0.0010% to 0.0050%, Si: 1.90% to 3.50%, Al: 0.10% to 3.00%, Mn: 0.05% to 2.00%, P: 0.10% or less, S: 0.005% or less, N: 0.0040% or less and B: 0.0060% or less with a remainder consisting of Fe and impurities, in which, in a sheet width-direction end portion of the hot-rolled steel sheet for a non-oriented electrical steel sheet, a C concentration [atom%] in a crystal grain boundary is 3.0 or more times a P concentration [atom%], and the C concentration [atom%] in the crystal grain boundary of the hot-rolled steel sheet for a non-oriented electrical steel sheet is 3.5 or more times a C concentration in a crystal grain.
Inventors:
Takeshi Ichie
Yoshihiro Arita
Yoshihiro Arita
Application Number:
JP2021562993A
Publication Date:
May 09, 2022
Filing Date:
February 19, 2021
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
C22C38/00; C22C38/60; H01F1/147
Domestic Patent References:
| JP64000225A | ||||
| JP2016211016A | ||||
| JP64000228A | ||||
| JP2019183228A | ||||
| JP2018204052A |
Foreign References:
| US20140373340 |
Attorney, Agent or Firm:
Sumio Tanai
Mitsuo Teramoto
Tomomasa Katsumata
Hiroshi Yamaguchi
Mitsuo Teramoto
Tomomasa Katsumata
Hiroshi Yamaguchi