- 专利标题： AUSTENITIC STEEL HAVING EXCELLENT ULTRA-LOW TEMPERATURE TOUGHNESS IN WELD HEAT-AFFECTED ZONE, AND MANUFACTURING METHOD THEREFOR
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申请号： EP22911854.2申请日： 2022-12-20
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公开(公告)号： EP4455326A1公开(公告)日： 2024-10-30
- 发明人: LEE, Soon-Gi , CHOI, Jong-Kyo , KANG, Sang-Deok
- 申请人： POSCO Co., Ltd
- 申请人地址： KR Pohang-si, Gyeongsangbuk-do 37859 6261, Donghaean-ro Nam-gu
- 代理机构： Meissner Bolte Partnerschaft mbB
- 优先权： KR20210184271 20211221
- 国际公布： WO2023121221 20230629
- 主分类号： C22C30/00
- IPC分类号： C22C30/00 ; C22C22/00 ; C21D8/02 ; C21D9/46
摘要：
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.
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