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/2023/121221

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)
CHOI JONG-KYO (KR)
KANG SANG-DEOK (KR)

Application Number:

PCT/KR2022/020834

Publication Date:

June 29, 2023

Filing Date:

December 20, 2022

Export Citation:

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Assignee:

POSCO CO LTD (KR)

International Classes:

C22C30/00; C21D8/02; C21D9/46; C22C22/00

Foreign References:

KR20130075565A	2013-07-05
KR20140108431A	2014-09-11
JP2008161932A	2008-07-17
JP2013091845A	2013-05-16
KR20200047317A	2020-05-07

Attorney, Agent or Firm:

C&S PATENT AND LAW OFFICE (KR)

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