发明授权
- 专利标题: Steel sheet
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申请号: US16335446申请日: 2017-01-25
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公开(公告)号: US11572610B2公开(公告)日: 2023-02-07
- 发明人: Katsuya Nakano , Kunio Hayashi , Yuri Toda , Eisaku Sakurada , Akihiro Uenishi
- 申请人: NIPPON STEEL & SUMITOMO METAL CORPORATION
- 申请人地址: JP Tokyo
- 专利权人: NIPPON STEEL & SUMITOMO METAL CORPORATION
- 当前专利权人: NIPPON STEEL & SUMITOMO METAL CORPORATION
- 当前专利权人地址: JP Tokyo
- 代理机构: Birch, Stewart, Kolasch & Birch, LLP
- 国际申请: PCT/JP2017/002472 WO 20170125
- 国际公布: WO2018/138791 WO 20180802
- 主分类号: C21D9/46
- IPC分类号: C21D9/46 ; C22C38/40 ; B32B15/01 ; C21D6/00 ; C21D8/02 ; C22C38/02 ; C22C38/00 ; C22C38/04 ; C22C38/06 ; C22C38/20 ; C22C38/22 ; C22C38/24 ; C22C38/26 ; C22C38/28 ; C22C38/32 ; C23C2/02 ; C23C2/06 ; C23C2/40
摘要:
A steel sheet includes a predetermined chemical composition and a metal structure represented by, in area fraction, ferrite: 50% to 95%, granular bainite: 5% to 48%, martensite: 2% to 30%, and upper bainite, lower bainite, tempered martensite, retained austenite, and pearlite: 5% or less in total.
公开/授权文献
- US20200040435A1 STEEL SHEET 公开/授权日:2020-02-06
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