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Ferritic Stainless Steel And Manufacturing Method Therefor

Abstract: Disclosed in the present specification are: a ferritic stainless steel having improved elongation even if batch annealing is omitted; and a manufacturing method therefor. A ferritic stainless steel according to one embodiment of the present invention may comprise, by wt%, 0.01-0.1% of C, 0.01-1.0% of Si, 0.01-1.5% of Mn, P in an amount greater than 0% and less than or equal to 0.05%, S in an amount greater than 0% and less than or equal to 0.005%, 13.0-18.0% of Cr, 0.005-0.1% of N, 0.005-0.2% of Al, 0.05-0.25% of Ni, and the balance of Fe (iron) and other inevitable impurities.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
22 April 2024
Publication Number
48/2024
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. PARK, Sooho
106-903, 100, Daei-ro, Nam-gu Pohang-si Gyeongsangbuk-do 37680
2. JUN, Jiwoong
23-11, Beobwon-ro 63beon-gil, Buk-gu Pohang-si Gyeongsangbuk-do 37583
3. YU, Jeehyun
108-801, 7, Sangdonam-ro, Nam-gu Pohang-si Gyeongsangbuk-do 37834
4. KIM, Hoihun
102-501, 58, Daean-gil, Buk-gu Pohang-si Gyeongsangbuk-do 37650

Specification

Documents

Application Documents

# Name Date
1 202417031673-Verified English translation [22-04-2024(online)].pdf 2024-04-22
2 202417031673-Verified English translation [22-04-2024(online)]-1.pdf 2024-04-22
3 202417031673-STATEMENT OF UNDERTAKING (FORM 3) [22-04-2024(online)].pdf 2024-04-22
4 202417031673-REQUEST FOR EXAMINATION (FORM-18) [22-04-2024(online)].pdf 2024-04-22
5 202417031673-POWER OF AUTHORITY [22-04-2024(online)].pdf 2024-04-22
6 202417031673-FORM 18 [22-04-2024(online)].pdf 2024-04-22
7 202417031673-FORM 1 [22-04-2024(online)].pdf 2024-04-22
8 202417031673-DRAWINGS [22-04-2024(online)].pdf 2024-04-22
9 202417031673-DECLARATION OF INVENTORSHIP (FORM 5) [22-04-2024(online)].pdf 2024-04-22
10 202417031673-COMPLETE SPECIFICATION [22-04-2024(online)].pdf 2024-04-22
11 202417031673-FORM-26 [15-05-2024(online)].pdf 2024-05-15
12 202417031673-Proof of Right [22-05-2024(online)].pdf 2024-05-22
13 202417031673-FORM 3 [22-05-2024(online)].pdf 2024-05-22
14 202417031673-GPA-130624.pdf 2024-06-26
15 202417031673-Correspondence-130624.pdf 2024-06-26