FIELD: metallurgy.
SUBSTANCE: production of electrical steel sheets used as a material for manufacture of iron cores of various electrical equipment. The method includes casting a slab, hot rolling, cold rolling and bringing the electrical steel sheet into contact with a solution. The electrical steel sheet contains, in wt.%: C: greater than 0 and 0.10 or less, Si: 2.5 or more and 4.5 or less, Mn: 0.01 or more and 5.0 or less, one or more of S, Se and Te: more than 0 and 0.050 or less in total, acid-soluble Al: more than 0 and 5.0 or less, N: more than 0 and 0.015 or less, and P: greater than 0 and 1.0 or less, optionally one or more elements selected from the group containing Cu: 1.0% or less, Sb: 1.0% or less, Mo: 1.0% or less, Cr: 1.0% or less, Sb: 1.0 or less and Ni: 1.0 or less, Fe and impurities are the balance. Said solution contains one or more elements of Cu, Hg, Ag, Pb, Cd, Co, Zn, and Ni in a total concentration of 0.00001 wt.% or more and 1.0000 wt.% or less. In the process of bringing the electrical steel sheet into contact with the solution, the pH value of the solution is -1.5 or more and 7 or less, the solution temperature is 10°C or more and 100°C or less, and the time for which the electrical steel sheet is in contact with the solution is 3 seconds or more and 200 seconds or less.
EFFECT: production of electrical steel sheet with excellent magnetic characteristics and coating film adhesion.
4 cl, 5 tbl, 5 ex
Title |
Year |
Author |
Number |
METHOD FOR PRODUCING ANISOTROPIC ELECTRICAL STEEL SHEET |
2021 |
- Morishige, Nobusato
- Mizukami, Kazumi
- Yamagata, Ryutaro
- Kataoka, Takashi
- Atsumi, Haruhiko
- Itabashi, Daisuke
- Takaobushi, Junichi
|
RU2805665C1 |
METHOD FOR PRODUCING ANISOTROPIC ELECTRICAL STEEL SHEET |
2021 |
- Kataoka, Takashi
- Atsumi, Haruhiko
- Yamagata, Ryutaro
- Morishige, Nobusato
- Takeda, Kazutoshi
|
RU2805838C1 |
ANISOTROPIC ELECTRICAL STEEL SHEET |
2022 |
- Ushigami Yoshiyuki
- Takatani Shinsuke
- Takahashi Masaru
- Takeda Kazutoshi
|
RU2821534C2 |
ELECTRICAL STEEL SHEET WITH ORIENTED GRAIN STRUCTURE, A METHOD FOR FORMING AN INSULATING COATING OF ELECTRICAL STEEL SHEET WITH ORIENTED GRAIN STRUCTURE AND A METHOD FOR PRODUCING ELECTRICAL STEEL SHEET WITH ORIENTED GRAIN STRUCTURE |
2020 |
- Tanaka Ichiro
- Kataoka Takashi
- Takeda Kazutoshi
- Kubota Masamitsu
- Tada Hirotoshi
|
RU2777792C1 |
METHOD FOR PRODUCING A SHEET OF ELECTROTECHNICAL STEEL WITH ORIENTED GRAIN STRUCTURE |
2020 |
- Takatani Shinsuke
- Ushigami Yoshiyuki
|
RU2767356C1 |
METHOD FOR PRODUCING ELECTRICAL STEEL SHEET WITH ORIENTED GRAIN STRUCTURE |
2020 |
- Takatani Shinsuke
- Ushigami Yoshiyuki
|
RU2771767C1 |
METHOD FOR PRODUCING ELECTRICAL STEEL SHEET WITH ORIENTED GRAIN STRUCTURE |
2020 |
- Takatani Shinsuke
- Ushigami Yoshiyuki
|
RU2771130C1 |
METHOD FOR PRODUCING ELECTRICAL STEEL SHEET WITH ORIENTED GRAIN STRUCTURE |
2020 |
- Takatani Shinsuke
- Ushigami Yoshiyuki
- Nakamura Shuichi
- Okumura Shunsuke
- Nagano Shohji
|
RU2771318C1 |
METHOD FOR PRODUCING ELECTRICAL STEEL SHEET WITH ORIENTED GRAIN STRUCTURE |
2020 |
- Takatani Shinsuke
- Ushigami Yoshiyuki
|
RU2771315C1 |
ANISOTROPIC ELECTRICAL STEEL SHEET, METHOD OF FORMING INSULATION COATING OF ANISOTROPIC ELECTRIC STEEL SHEET AND METHOD FOR PRODUCING ANISOTROPIC ELECTRIC STEEL SHEET |
2020 |
- Tanaka, Ichiro
- Kataoka, Takashi
- Takeda, Kazutoshi
- Kubota, Masamitsu
- Tada, Hirotoshi
|
RU2778536C1 |