Non Oriented Electrical Steel Sheet And Method For Manufacturing Same

Abstract: A non-oriented electrical steel sheet according to an embodiment of the present invention contains, in wt%, 2.5-4.0% of Si, 0.1-1.5% of Al, and 0.1-1.5% of Mn, with the remainder comprising Fe and inevitable impurities. The non-oriented electrical steel sheet according to an embodiment of the present invention has an average grain size of 50-100 µm, and the area percentage of grains having a grain size of 20 µm or less is at least 0.5%.

Patent Information

Application #

Filing Date

25 October 2023

Publication Number

47/2023

Publication Type

INA

Invention Field

METALLURGY

Status

Email

Parent Application

Applicants

POSCO CO., LTD

(Goedong-dong) 6261 Donghaean-ro, Nam-gu, Pohang-si, Gyeongsangbuk-do 37859

Inventors

1. LEE, Hunju

c/o POSCO, (Goedong-dong) 6261, Donghaean-ro, Nam-gu, Pohang-si, Gyeongsangbuk-do 37859

2. SHIN, Su-Yong

c/o POSCO, (Goedong-dong) 6261, Donghaean-ro, Nam-gu, Pohang-si, Gyeongsangbuk-do 37859

3. KIM, Yunsu

c/o POSCO, (Goedong-dong) 6261, Donghaean-ro, Nam-gu, Pohang-si, Gyeongsangbuk-do 37859

Specification

Documents

Application Documents

#	Name	Date
1	202337072556-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [25-10-2023(online)].pdf	2023-10-25
2	202337072556-STATEMENT OF UNDERTAKING (FORM 3) [25-10-2023(online)].pdf	2023-10-25
3	202337072556-REQUEST FOR EXAMINATION (FORM-18) [25-10-2023(online)].pdf	2023-10-25
4	202337072556-PRIORITY DOCUMENTS [25-10-2023(online)].pdf	2023-10-25
5	202337072556-POWER OF AUTHORITY [25-10-2023(online)].pdf	2023-10-25
6	202337072556-FORM 18 [25-10-2023(online)].pdf	2023-10-25
7	202337072556-FORM 1 [25-10-2023(online)].pdf	2023-10-25
8	202337072556-DECLARATION OF INVENTORSHIP (FORM 5) [25-10-2023(online)].pdf	2023-10-25
9	202337072556-COMPLETE SPECIFICATION [25-10-2023(online)].pdf	2023-10-25
10	202337072556-Proof of Right [02-11-2023(online)].pdf	2023-11-02
11	202337072556-FORM 3 [29-12-2023(online)].pdf	2023-12-29