Title:
FERRITIC STAINLESS STEEL HAVING IMPROVED CORROSION RESISTANCE AND MAGNETIC PROPERTIES, AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/090670
Kind Code:
A1
Abstract:
Disclosed in the present specification are: a ferritic stainless steel having improved corrosion resistance and magnetic properties by having an optimized manufacturing process and alloy components; and a manufacturing method therefor. The ferritic stainless steel having improved corrosion resistance and magnetic properties, according to one embodiment of the present invention, may comprise, by wt%, 0.0005-0.035% of C, 0.005-0.05% of N, 0.1-2.0% of Si, 0.1-0.5% of Mn, 16.0-20.0% of Cr, Mo in an amount of more than 0% and less than or equal to 0.5%, Nb in an amount of more than 0% and less than or equal to 0.5%, 0.005-0.30% of Ti, and the balance of Fe and impurities.
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Inventors:
CHOI KAYOUNG (KR)
KIM KYUNGHUN (KR)
LEE MUNSOO (KR)
KIM KYUNGHUN (KR)
LEE MUNSOO (KR)
Application Number:
PCT/KR2022/016307
Publication Date:
May 25, 2023
Filing Date:
October 25, 2022
Export Citation:
Assignee:
POSCO CO LTD (KR)
International Classes:
C21D8/12; C22C38/34; C22C38/00; C22C38/22; C22C38/26; C22C38/28
Foreign References:
| KR20210133027A | 2021-11-05 | |||
| KR100276319B1 | 2000-12-15 | |||
| KR101830561B1 | 2018-02-20 | |||
| JP2006016665A | 2006-01-19 | |||
| US20070166183A1 | 2007-07-19 |
Attorney, Agent or Firm:
SELIM INTELLECTUAL PROPERTY LAW FIRM (KR)
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