Title:
REDUCED-ACTIVATION AUSTENITIC STAINLESS STEEL CONTAINING TANTALUM AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/059877
Kind Code:
A1
Abstract:
Austenitic stainless steel contains 14-19 wt% of chromium (Cr), 2-10 wt% of nickel (Ni), 2-20 wt% of manganese (Mn), 0.01-0.1 wt% of carbon (C), and 0.1-1 wt% of tantalum (Ta) and has an austenitic matrix structure, wherein fine tantalum carbides are precipitated in the austenitic matrix structure and the fine tantalum carbides are uniformly dispersed in the austenitic matrix structure.
Inventors:
JANG CHANGHEUI (KR)
SHIN JIHO (KR)
KONG BYEONGSEO (KR)
JEONG CHAEWON (KR)
EOM HYUNJOON (KR)
SHIN JIHO (KR)
KONG BYEONGSEO (KR)
JEONG CHAEWON (KR)
EOM HYUNJOON (KR)
Application Number:
PCT/KR2021/004720
Publication Date:
March 24, 2022
Filing Date:
April 14, 2021
Export Citation:
Assignee:
KOREA ADVANCED INST SCI & TECH (KR)
International Classes:
C22C38/58; C21D8/02; C22C1/02
Foreign References:
| US20080292489A1 | 2008-11-27 | |||
| KR101943591B1 | 2019-01-30 | |||
| KR20170029631A | 2017-03-15 | |||
| KR20160082376A | 2016-07-08 | |||
| KR20130014901A | 2013-02-12 |
Other References:
R. E. SCHRAMM ET AL., METALLURGICAL TRANSACTIONS, vol. 6, 1975, pages 1
See also references of EP 4029963A4
See also references of EP 4029963A4
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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