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Title:
FERRITIC STAINLESS STEEL HAVING IMPROVED MAGNETIZATION, AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/125580
Kind Code:
A1
Abstract:
A ferritic stainless steel having improved magnetization is disclosed. The disclosed ferritic stainless steel comprises, on the basis of wt%, 0.01% or less (excluding 0) of C, 0.003% or less (excluding 0) of N , 15-18% of Cr, 0.3-1.0% of Mn, 0.2-0.3% of Si, 0.005% or less (excluding 0) of Al , 0.005% or less (excluding 0) of Ti , and the balance of Fe and inevitable impurities, and satisfies the following equation (1). Equation (1): (Ti+Al+8*(C+N)/Mn) ≤ 0.3, wherein Ti, Al, C, N and Mn means the amount of each element (wt%).

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Inventors:
LEE KYE-MAN (KR)
KANG HYUNG-GU (KR)
Application Number:
PCT/KR2020/016276
Publication Date:
June 24, 2021
Filing Date:
November 18, 2020
Export Citation:
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Assignee:
POSCO (KR)
International Classes:
C22C38/28; B21B1/24; B21B3/00; C21D8/12
Domestic Patent References:
WO2005112053A12005-11-24
Foreign References:
KR20150084074A2015-07-21
KR20030003848A2003-01-14
JP2018184660A2018-11-22
KR101842417B12018-03-26
Other References:
See also references of EP 4043605A4
Attorney, Agent or Firm:
SELIM INTELLECTUAL PROPERTY LAW FIRM (KR)
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