Title:
FERRITIC STAINLESS STEEL HAVING IMPROVED MAGNETIC PROPERTIES AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/075282
Kind Code:
A1
Abstract:
Disclosed herein are ferritic stainless steel and a manufacturing method wherein the ferritic stainless steel has magnetic properties improved by controlling alloy components and a manufacturing process in order to increase responsiveness to an externally applied magnetic field. The ferritic stainless steel having improved magnetic properties according to an embodiment of the present invention may include, by % by weight, C: 0% (exclusive) to 0.02% (inclusive), N: 0% (exclusive) to 0.02% (inclusive), Si: 0.5% to 2.0% (both inclusive), Mn: 0.1% to 0.3% (both inclusive), Cr: 16.0% to 20.1% (both inclusive), Mo: 1.0% (exclusive) to 2.0% (inclusive), Ti: 0.1% to 0.4% (both inclusive), and the balance of iron (Fe) and inevitable impurities.
Inventors:
KIM KYUNGHUN (KR)
LEE MUNSOO (KR)
KIM HAK (KR)
PARK JIEON (KR)
LEE MUNSOO (KR)
KIM HAK (KR)
PARK JIEON (KR)
Application Number:
PCT/KR2022/015945
Publication Date:
May 04, 2023
Filing Date:
October 19, 2022
Export Citation:
Assignee:
POSCO CO LTD (KR)
International Classes:
C22C38/34; C21D8/02; C22C38/00; C22C38/22; C22C38/26; C22C38/28
Foreign References:
| JP2020063472A | 2020-04-23 | |||
| JP2021161469A | 2021-10-11 | |||
| JPH09176802A | 1997-07-08 | |||
| JP2013185183A | 2013-09-19 | |||
| KR20060049716A | 2006-05-19 | |||
| CN101492792A | 2009-07-29 |
Attorney, Agent or Firm:
SELIM INTELLECTUAL PROPERTY LAW FIRM (KR)
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