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Galvanized Steel Sheet With Excellent Surface Quality And Electrical Resistance Spot Weldability And Method For Manufacturing Same
Abstract: The present invention relates to a high-strength hot-dipped galvanized steel sheet having excellent surface quality and spot weldability and a method for manufacturing same. The hot-dipped galvanized steel sheet according to one aspect of the present invention comprises a base steel sheet and a hot-dipped galvanized layer formed on the surface of the base steel sheet, in which an inhibiting layer made of an Fe-Al alloy can be formed at an area ratio of 60% or more between the base steel sheet and the hot-dipped galvanized layer.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
28 June 2023
Publication Number
31/2024
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. KANG, Ki-Cheol
c/o Gwangyang Iron & Steel Works, 20-26, Pokposarang-gil
Gwangyang-si,
Jeollanam-do 57807
2. KIM, Yong-Joo
c/o Gwangyang Iron & Steel Works, 20-26, Pokposarang-gil
Gwangyang-si,
Jeollanam-do 57807
3. KIM, Tae-Chul
c/o Gwangyang Iron & Steel Works, 20-26, Pokposarang-gil
Gwangyang-si,
Jeollanam-do 57807
4. KIM, Myung-Soo
c/o Gwangyang Iron & Steel Works, 20-26, Pokposarang-gil
Gwangyang-si,
Jeollanam-do 57807
5. KIM, Jong-Sang
c/o Gwangyang Iron & Steel Works, 20-26, Pokposarang-gil
Gwangyang-si,
Jeollanam-do 57807
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202317043450-STATEMENT OF UNDERTAKING (FORM 3) [28-06-2023(online)].pdf | 2023-06-28 |
| 2 | 202317043450-REQUEST FOR EXAMINATION (FORM-18) [28-06-2023(online)].pdf | 2023-06-28 |
| 3 | 202317043450-PROOF OF RIGHT [28-06-2023(online)].pdf | 2023-06-28 |
| 4 | 202317043450-PRIORITY DOCUMENTS [28-06-2023(online)].pdf | 2023-06-28 |
| 5 | 202317043450-POWER OF AUTHORITY [28-06-2023(online)].pdf | 2023-06-28 |
| 6 | 202317043450-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [28-06-2023(online)].pdf | 2023-06-28 |
| 7 | 202317043450-FORM 18 [28-06-2023(online)].pdf | 2023-06-28 |
| 8 | 202317043450-FORM 1 [28-06-2023(online)].pdf | 2023-06-28 |
| 9 | 202317043450-FIGURE OF ABSTRACT [28-06-2023(online)].pdf | 2023-06-28 |
| 10 | 202317043450-DRAWINGS [28-06-2023(online)].pdf | 2023-06-28 |
| 11 | 202317043450-DECLARATION OF INVENTORSHIP (FORM 5) [28-06-2023(online)].pdf | 2023-06-28 |
| 12 | 202317043450-COMPLETE SPECIFICATION [28-06-2023(online)].pdf | 2023-06-28 |
| 13 | 202317043450-FORM-26 [17-07-2023(online)].pdf | 2023-07-17 |
| 14 | 202317043450-Others-210723.pdf | 2023-09-06 |
| 15 | 202317043450-GPA-210723.pdf | 2023-09-06 |
| 16 | 202317043450-Correspondence-210723.pdf | 2023-09-06 |
| 17 | 202317043450-FORM 3 [29-11-2023(online)].pdf | 2023-11-29 |