Title:
オーステナイト系ステンレス鋼板およびその製造方法
Document Type and Number:
Japanese Patent JP7166082
Kind Code:
B2
Abstract:
To provide an austenite stainless steel sheet required to have excellent heat resistance especially.SOLUTION: The austenite stainless steel sheet contains, by mass%, C:0.005 to 0.3%, Si:over 1 and 4%, Mn:0.1 to 10%, Ni:2 to 25%, Cr:15 to 30%, N:0.005 to less than 0.4%, Al:0.001 to 1%, Cu:0.05 to 4%, Mo:0.02 to 3%, V:0.02 to 1%, P:0.05% or less, S:0.01% or less, and the balance Fe with inevitable impurities, in which a value of the following (1) formula is 50 or less, grain boundary frequency corresponding to a Σ value of 3 to 29 is 80% or more as total, and grain boundary frequency corresponding to the Σ value of 4 to 29 is 10% to 25% as total. 25.7+2(Ni%)+410(C%)-0.9(Cr%)-77(N%)-13(Si%)-1.2(Mn%).SELECTED DRAWING: None
Inventors:
Mutsuko Yoshii
Junichi Hamada
Sadahiro Renkawa
Junichi Hamada
Sadahiro Renkawa
Application Number:
JP2018115391A
Publication Date:
November 07, 2022
Filing Date:
June 18, 2018
Export Citation:
Assignee:
Nippon Steel Stainless Steel Corporation
International Classes:
C22C38/00; C21D9/46; C22C38/58; C22C38/60
Foreign References:
| WO2017164344A1 | ||||
| WO2016159011A1 | ||||
| WO2017061487A1 | ||||
| KR1020180059548A | ||||
| WO2017141907A1 |
Attorney, Agent or Firm:
Aoki Atsushi
Shinji Mihashi
Ritsuo Fukuchi
Saito Manabu
Akio Honda
Shinji Mihashi
Ritsuo Fukuchi
Saito Manabu
Akio Honda