- 专利标题： Mold flux for continuous casting and continuous casting method
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申请号： US15770551申请日： 2016-11-07
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公开(公告)号： US11453048B2公开(公告)日： 2022-09-27
- 发明人: Masahito Hanao , Daiki Naito
- 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
- 优先权： JPJP2015-217238 20151105
- 国际申请： PCT/JP2016/083002 WO 20161107
- 国际公布： WO2017/078178 WO 20170511
- 主分类号： B22D11/111
- IPC分类号： B22D11/111 ; B22D11/108 ; B22D11/00 ; C22C38/54 ; C22C38/00 ; C22C38/04 ; C22C38/06 ; C22C38/22 ; C22C38/26 ; C22C38/28 ; C22C38/32 ; C22C38/38
摘要：
A mold flux for continuous casting has a base material composition containing 25 to 60 mass % of CaO, 15 to 45 mass % of SiO2, 5 to 25 mass % of F, 0.2 to 1.0 mass % of S, and 0 to 20 mass % of a total of Li2O, Na2O, and K2O, and in the base material composition, f(1) is 0.90 to 1.90, f(2) is 0.10 to 0.40, f(3) is 0 to 0.40, and a total of CaO, SiO2, F, S, Li2O, Na2O, and K2O is 90 to 100 mass %.
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