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Ferritic Stainless Steel
Abstract: A ferritic stainless steel according to one embodiment of the present invention can be a ferritic stainless steel comprising, by wt%, 0.003-0.02% of C, 0.003-0.02% of N, 0.05-0.5% of Si, 0.1-1.5% of Mn, 19.0-25.0% of Cr, 0.01-2.0% of Mo, 0.05-0.7% of Nb, 0.01-0.2% of Ti and the balance of Fe and other inevitable impurities, and satisfying relation (1): 35= Cr / Mn= 60. Here, Cr and Mn mean the wt% of respective elements.
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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. KONG, Junghyun
102-1201, 100, Daei-ro, Nam-gu
Pohang-si
Gyeongsangbuk-do 37680
2. KIM, Jonghee
912-1203, 26, Sangdaenam-ro
Yuseong-gu
Daejeon 34200
3. SEO, Bosung
104-503, 62, Yugang-gil 9beon-gil, Yeonil-eup, Nam-gu
Pohang-si
Gyeongsangbuk-do 37656
4. KIM, Jinsuk
332-204, 303, Jigok-ro, Nam-gu
Pohang-si
Gyeongsangbuk-do 37671
5. KWON, Youngjin
104-501, 14, Saecheonnyeon-daero 631beon-gil, Buk-gu
Pohang-si
Gyeongsangbuk-do 37689
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202517059224-STATEMENT OF UNDERTAKING (FORM 3) [20-06-2025(online)].pdf | 2025-06-20 |
| 2 | 202517059224-REQUEST FOR EXAMINATION (FORM-18) [20-06-2025(online)].pdf | 2025-06-20 |
| 3 | 202517059224-POWER OF AUTHORITY [20-06-2025(online)].pdf | 2025-06-20 |
| 4 | 202517059224-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [20-06-2025(online)].pdf | 2025-06-20 |
| 5 | 202517059224-MARKED COPIES OF AMENDEMENTS [20-06-2025(online)].pdf | 2025-06-20 |
| 6 | 202517059224-FORM 18 [20-06-2025(online)].pdf | 2025-06-20 |
| 7 | 202517059224-FORM 13 [20-06-2025(online)].pdf | 2025-06-20 |
| 8 | 202517059224-FORM 1 [20-06-2025(online)].pdf | 2025-06-20 |
| 9 | 202517059224-DRAWINGS [20-06-2025(online)].pdf | 2025-06-20 |
| 10 | 202517059224-DECLARATION OF INVENTORSHIP (FORM 5) [20-06-2025(online)].pdf | 2025-06-20 |
| 11 | 202517059224-COMPLETE SPECIFICATION [20-06-2025(online)].pdf | 2025-06-20 |
| 12 | 202517059224-AMMENDED DOCUMENTS [20-06-2025(online)].pdf | 2025-06-20 |
| 13 | 202517059224-Verified English translation [23-06-2025(online)].pdf | 2025-06-23 |
| 14 | 202517059224-Verified English translation [23-06-2025(online)]-1.pdf | 2025-06-23 |
| 15 | 202517059224-FORM-26 [23-06-2025(online)].pdf | 2025-06-23 |