Sign In to Follow Application
View All Documents & Correspondence
View All Documents & Correspondence
Hot Rolled Non Oriented Electrical Steel Sheet And Method For Manufacturing Same
Abstract: A hot-rolled non-oriented electrical steel sheet according to an embodiment of the present invention contains, in wt%, 2.8-4.0% of Si, 0.1-1.3% of Al, and 0.3-2.0% of Mn, with the remainder comprising Fe and inevitable impurities, and satisfies expression 1 below. [Expression 1]: 1.1=Hv1/HV2=1.5 (In expression 1, HV1 represents the hardness measured at the surface of the steel sheet, and HV2 represents the hardness measured at half the thickness of the steel sheet.)
Get Free WhatsApp Updates!
Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
20 May 2025
Publication Number
23/2025
Publication Type
INA
Invention Field
METALLURGY
Status
Email
Parent Application
Applicants
POSCO CO., LTD
6261, Donghaean-ro,
Nam-gu, Pohang-si,
Gyeongsangbuk-do 37859
Inventors
1. KWON, Soobin
6261, Donghaean-ro,
Nam-gu, Pohang-si,
Gyeongsangbuk-do 37859
2. KIM, Yun Su
6261, Donghaean-ro,
Nam-gu, Pohang-si,
Gyeongsangbuk-do 37859
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202517048641-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [20-05-2025(online)].pdf | 2025-05-20 |
| 2 | 202517048641-STATEMENT OF UNDERTAKING (FORM 3) [20-05-2025(online)].pdf | 2025-05-20 |
| 3 | 202517048641-REQUEST FOR EXAMINATION (FORM-18) [20-05-2025(online)].pdf | 2025-05-20 |
| 4 | 202517048641-PROOF OF RIGHT [20-05-2025(online)].pdf | 2025-05-20 |
| 5 | 202517048641-PRIORITY DOCUMENTS [20-05-2025(online)].pdf | 2025-05-20 |
| 6 | 202517048641-POWER OF AUTHORITY [20-05-2025(online)].pdf | 2025-05-20 |
| 7 | 202517048641-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [20-05-2025(online)].pdf | 2025-05-20 |
| 8 | 202517048641-FORM 18 [20-05-2025(online)].pdf | 2025-05-20 |
| 9 | 202517048641-FORM 1 [20-05-2025(online)].pdf | 2025-05-20 |
| 10 | 202517048641-DECLARATION OF INVENTORSHIP (FORM 5) [20-05-2025(online)].pdf | 2025-05-20 |
| 11 | 202517048641-COMPLETE SPECIFICATION [20-05-2025(online)].pdf | 2025-05-20 |
| 12 | 202517048641-MARKED COPIES OF AMENDEMENTS [29-05-2025(online)].pdf | 2025-05-29 |
| 13 | 202517048641-FORM 13 [29-05-2025(online)].pdf | 2025-05-29 |
| 14 | 202517048641-AMMENDED DOCUMENTS [29-05-2025(online)].pdf | 2025-05-29 |
| 15 | 202517048641-FORM 3 [03-09-2025(online)].pdf | 2025-09-03 |