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Cold Rolled Steel Sheet For Hot Forming With Excellent Bendability, Hot Formed Member, And Manufacturing Methods Therefor
Abstract: An aspect of the present invention aims to provide a steel material for hot forming, a hot-formed member using same, and a manufacturing method therefor, wherein the steel material is suitable for automotive parts requiring impact resistance and possesses a strength of as high as or higher than 1,800 MPa on the basis of tensile strength standard while securing high bendability.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
20 June 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. LEE, Sea-Woong
20-26, Pokposarang-gil
Gwangyang-si,
Jeollanam-do 57807
2. OH, Jin-Keun
20-26, Pokposarang-gil
Gwangyang-si,
Jeollanam-do 57807
3. KIM, Seong-Woo
20-26, Pokposarang-gil
Gwangyang-si,
Jeollanam-do 57807
4. KIM, Sang-Heon
20-26, Pokposarang-gil
Gwangyang-si,
Jeollanam-do 57807
5. LEE, Sang-Cheol
20-26, Pokposarang-gil
Gwangyang-si,
Jeollanam-do 57807
6. KIM, Jong-Tae
20-26, Pokposarang-gil
Gwangyang-si,
Jeollanam-do 57807
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202517059406-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [20-06-2025(online)].pdf | 2025-06-20 |
| 2 | 202517059406-STATEMENT OF UNDERTAKING (FORM 3) [20-06-2025(online)].pdf | 2025-06-20 |
| 3 | 202517059406-REQUEST FOR EXAMINATION (FORM-18) [20-06-2025(online)].pdf | 2025-06-20 |
| 4 | 202517059406-PROOF OF RIGHT [20-06-2025(online)].pdf | 2025-06-20 |
| 5 | 202517059406-PRIORITY DOCUMENTS [20-06-2025(online)].pdf | 2025-06-20 |
| 6 | 202517059406-POWER OF AUTHORITY [20-06-2025(online)].pdf | 2025-06-20 |
| 7 | 202517059406-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [20-06-2025(online)].pdf | 2025-06-20 |
| 8 | 202517059406-FORM 18 [20-06-2025(online)].pdf | 2025-06-20 |
| 9 | 202517059406-FORM 1 [20-06-2025(online)].pdf | 2025-06-20 |
| 10 | 202517059406-FIGURE OF ABSTRACT [20-06-2025(online)].pdf | 2025-06-20 |
| 11 | 202517059406-DECLARATION OF INVENTORSHIP (FORM 5) [20-06-2025(online)].pdf | 2025-06-20 |
| 12 | 202517059406-COMPLETE SPECIFICATION [20-06-2025(online)].pdf | 2025-06-20 |
| 13 | 202517059406-FORM-26 [19-09-2025(online)].pdf | 2025-09-19 |
| 14 | 202517059406-Others-220925.pdf | 2025-09-23 |
| 15 | 202517059406-GPA-220925.pdf | 2025-09-23 |
| 16 | 202517059406-Correspondence-220925.pdf | 2025-09-23 |