发明授权
US07914732B2 Ferritic stainless steel cast iron, cast part using the ferritic stainless steel cast iron, and process for producing the cast part
有权
铁素体不锈钢铸铁，使用铁素体不锈钢铸铁的铸件，以及铸造件的制造方法
- 专利标题： Ferritic stainless steel cast iron, cast part using the ferritic stainless steel cast iron, and process for producing the cast part
- 专利标题（中）： 铁素体不锈钢铸铁，使用铁素体不锈钢铸铁的铸件，以及铸造件的制造方法
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申请号： US11709863申请日： 2007-02-23
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公开(公告)号： US07914732B2公开(公告)日： 2011-03-29
- 发明人: Hiroyuki Takabayashi , Shigeki Ueta , Tetsuya Shimizu , Toshiharu Noda
- 申请人： Hiroyuki Takabayashi , Shigeki Ueta , Tetsuya Shimizu , Toshiharu Noda
- 申请人地址： JP
- 专利权人： Daido Tokushuko Kabushiki Kaisha
- 当前专利权人： Daido Tokushuko Kabushiki Kaisha
- 当前专利权人地址： JP
- 代理机构： Bacon & Thomas, PLLC
- 优先权： JP2006-047354 20060223; JP2006-047355 20060223
- 主分类号： C22C38/22
- IPC分类号： C22C38/22 ; C22C38/24 ; C22C38/26
摘要：
The present invention provides: a ferritic stainless steel cast iron including: Fe as a main component; C: 0.20 to 0.40 mass %; Si: 1.00 to 3.00 mass %; Mn: 0.30 to 3.00 mass %; Cr: 12.0 to 30.0 mass %; and one of Nb and V, or both of Nb and V in total: 1.0 to 5.0 mass %, the ferritic stainless steel cast iron satisfying the following formula (1): 1400≦1562.3−{133WC+14WSi+5WMn+10(WNb+WV)}≦1480 (1) wherein, WC (mass %), WSi (mass %), WMn (mass %), WCr (mass %), WNb (mass %), WV (mass %) and WCu (mass %) are contents of C, Si, Mn, Cr, Nb, V and Cu, respectively; a process for producing a cast part from the ferritic cast steel; and the cast part.
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