Title:
MARTENSITIC STAINLESS STEEL AND METHOD OF MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2024/085736
Kind Code:
A1
Abstract:
A martensitic stainless steel cast according to one embodiment of the present invention may be a martensitic stainless steel cast comprising in weight%: C: 0.4% to 0.55%; N: 0.01% to 0.1%; Si: 0.2% to 0.6%; Mn: 0.4% to 0.9%; Cr: 13.6% to 15.0%; Ni: 0.01% to 0.3%; and the remainder including Fe and inevitable impurities, wherein the area fraction of primary carbides having an area of 2000㎛2 or more in the central segregation zone is 2.5% or less.
Inventors:
SONG BYOUNGJUN (KR)
KIM SANGHOON (KR)
JO GYUJIN (KR)
KIM SANGHOON (KR)
JO GYUJIN (KR)
Application Number:
PCT/KR2023/016465
Publication Date:
April 25, 2024
Filing Date:
October 23, 2023
Export Citation:
Assignee:
POSCO CO LTD (KR)
International Classes:
C22C38/44; B21C47/02; B22D11/00; C21D8/02; C22C38/00; C22C38/46
Attorney, Agent or Firm:
SELIM INTELLECTUAL PROPERTY LAW FIRM (KR)
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