发明公开
- 专利标题: STEEL SHEET HAVING HIGH STRENGTH AND HIGH TOUGHNESS, AND MANUFACTURING METHOD THEREFOR
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申请号: EP22856263.3申请日: 2022-08-11
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公开(公告)号: EP4386102A1公开(公告)日: 2024-06-19
- 发明人: JANG, Je-Wook , LIM, Sun-Woo , PARK, Young-Jae , HONG, Seong-Ju
- 申请人: POSCO Co., Ltd
- 申请人地址: KR Pohang-si, Gyeongsangbuk-do 37859 6261, Donghaean-ro Nam-gu
- 专利权人: POSCO Co., Ltd
- 当前专利权人: POSCO Co., Ltd
- 当前专利权人地址: KR Pohang-si, Gyeongsangbuk-do 37859 6261, Donghaean-ro Nam-gu
- 代理机构: Meissner Bolte Partnerschaft mbB
- 优先权: KR 210105857 2021.08.11
- 国际申请: KR2022012063 2022.08.11
- 国际公布: WO2023018270 2023.02.16
- 主分类号: C22C38/24
- IPC分类号: C22C38/24 ; C22C38/30 ; C21D8/02 ; B21C47/02 ; C23G1/02 ; C21D9/46
摘要:
The present invention relates to a steel sheet having high strength and high toughness, and a manufacturing method therefor, and, more specifically, to a steel sheet, which has high strength and high toughness and can be used for a vehicle seat belt spring and the like, and a manufacturing method therefor.
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