Non Oriented Electrical Steel Sheet And Method For Manufacturing Same

Abstract: A non-oriented electrical steel sheet according to one embodiment of the present invention comprises, by wt%: 1.4-3.0 % of Si; 0.001-1.5 % of Mn; and 0.001-0.2 % of Al, with the remainder of Fe and inevitable impurities, wherein a thickness deviation in the direction perpendicular to a rolling direction is 1.5 ? or less per 5-mm length, and a thickness derivation in the rolling direction is 10 ? or less per 1000-m length.

Patent Information

Application #

Filing Date

12 June 2024

Publication Number

51/2024

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. HONG, Jaewan

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

2. JOO, Hyung Don

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

3. PARK, Junesoo

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

Specification

Documents

Application Documents

#	Name	Date
1	202417045350-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [12-06-2024(online)].pdf	2024-06-12
2	202417045350-STATEMENT OF UNDERTAKING (FORM 3) [12-06-2024(online)].pdf	2024-06-12
3	202417045350-REQUEST FOR EXAMINATION (FORM-18) [12-06-2024(online)].pdf	2024-06-12
4	202417045350-PROOF OF RIGHT [12-06-2024(online)].pdf	2024-06-12
5	202417045350-PRIORITY DOCUMENTS [12-06-2024(online)].pdf	2024-06-12
6	202417045350-POWER OF AUTHORITY [12-06-2024(online)].pdf	2024-06-12
7	202417045350-FORM 18 [12-06-2024(online)].pdf	2024-06-12
8	202417045350-FORM 1 [12-06-2024(online)].pdf	2024-06-12
9	202417045350-DECLARATION OF INVENTORSHIP (FORM 5) [12-06-2024(online)].pdf	2024-06-12
10	202417045350-COMPLETE SPECIFICATION [12-06-2024(online)].pdf	2024-06-12
11	202417045350-FORM 3 [13-09-2024(online)].pdf	2024-09-13