AUSTENITIC STEEL HAVING EXCELLENT ULTRA-LOW TEMPERATURE TOUGHNESS IN WELD HEAT-AFFECTED ZONE, AND MANUFACTURING METHOD THEREFOR

Title:

AUSTENITIC STEEL HAVING EXCELLENT ULTRA-LOW TEMPERATURE TOUGHNESS IN WELD HEAT-AFFECTED ZONE, AND MANUFACTURING METHOD THEREFOR

Document Type and Number:

WIPO Patent Application WO/2023/121223

Kind Code:

A1

Abstract:

According to one aspect of the present invention, an austenitic high-manganese steel having excellent ultra-low temperature toughness in a weld heat-affected zone, and a manufacturing method therefor can be provided.

Inventors:

LEE SOON-GI (KR)
KANG SANG-DEOK (KR)

Application Number:

PCT/KR2022/020836

Publication Date:

June 29, 2023

Filing Date:

December 20, 2022

Export Citation:

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Assignee:

POSCO CO LTD (KR)

International Classes:

C22C38/38; C21D8/02; C22C38/26; C22C38/28

Foreign References:

KR20190134704A	2019-12-04
JP2016196703A	2016-11-24
KR20140083794A	2014-07-04
JP2020070474A	2020-05-07
US20190276910A1	2019-09-12

Attorney, Agent or Firm:

C&S PATENT AND LAW OFFICE (KR)

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