Cold Rolled Steel Sheet And Method For Manufacturing Same

Abstract: The present invention provides: an ultra-high-strength cold-rolled steel sheet having excellent elongation and hole expansion properties; and a method for manufacturing same.

Patent Information

Application #

Filing Date

02 May 2025

Publication Number

27/2025

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. JUNG, Ki-Taek

20-26, Pokposarang-gil Gwangyang-si, Jeollanam-do 57807

2. IM, Young-Roc

20-26, Pokposarang-gil Gwangyang-si, Jeollanam-do 57807

3. SEO, Chang-Hyo

20-26, Pokposarang-gil Gwangyang-si, Jeollanam-do 57807

4. KIM, Sang-Hyun

20-26, Pokposarang-gil Gwangyang-si, Jeollanam-do 57807

Specification

Documents

Application Documents

#	Name	Date
1	202517042849-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [02-05-2025(online)].pdf	2025-05-02
2	202517042849-STATEMENT OF UNDERTAKING (FORM 3) [02-05-2025(online)].pdf	2025-05-02
3	202517042849-REQUEST FOR EXAMINATION (FORM-18) [02-05-2025(online)].pdf	2025-05-02
4	202517042849-PROOF OF RIGHT [02-05-2025(online)].pdf	2025-05-02
5	202517042849-PRIORITY DOCUMENTS [02-05-2025(online)].pdf	2025-05-02
6	202517042849-POWER OF AUTHORITY [02-05-2025(online)].pdf	2025-05-02
7	202517042849-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [02-05-2025(online)].pdf	2025-05-02
8	202517042849-FORM 18 [02-05-2025(online)].pdf	2025-05-02
9	202517042849-FORM 1 [02-05-2025(online)].pdf	2025-05-02
10	202517042849-FIGURE OF ABSTRACT [02-05-2025(online)].pdf	2025-05-02
11	202517042849-DECLARATION OF INVENTORSHIP (FORM 5) [02-05-2025(online)].pdf	2025-05-02
12	202517042849-COMPLETE SPECIFICATION [02-05-2025(online)].pdf	2025-05-02
13	202517042849-FORM-26 [25-07-2025(online)].pdf	2025-07-25
14	202517042849-FORM 3 [15-10-2025(online)].pdf	2025-10-15