发明申请
US20100158682A1 NI-BASED ALLOY FOR A CASTING PART OF A STEAM TURBINE WITH EXCELLENT HIGH TEMPERATURE STRENGTH, CASTABILITY AND WELDABILITY, TURBINE CASING OF A STEAM TURBINE,VALVE CASING OF A STEAM TURBINE, NOZZLE BOX OF A STEAM TURBINE, AND PIPE OF A STEAM TURBINE
审中-公开
用于具有优异的高温强度，可焊性和焊接性的蒸汽涡轮机的铸造部件的基于镍的合金，蒸汽涡轮机的涡轮机，蒸汽涡轮机的阀门，蒸汽涡轮的喷嘴和蒸汽涡轮的管道
- 专利标题： NI-BASED ALLOY FOR A CASTING PART OF A STEAM TURBINE WITH EXCELLENT HIGH TEMPERATURE STRENGTH, CASTABILITY AND WELDABILITY, TURBINE CASING OF A STEAM TURBINE,VALVE CASING OF A STEAM TURBINE, NOZZLE BOX OF A STEAM TURBINE, AND PIPE OF A STEAM TURBINE
- 专利标题（中）： 用于具有优异的高温强度，可焊性和焊接性的蒸汽涡轮机的铸造部件的基于镍的合金，蒸汽涡轮机的涡轮机，蒸汽涡轮机的阀门，蒸汽涡轮的喷嘴和蒸汽涡轮的管道
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申请号： US12633468申请日： 2009-12-08
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公开(公告)号： US20100158682A1公开(公告)日： 2010-06-24
- 发明人: Kuniyoshi NEMOTO , Kiyoshi Imai , Yomei Yoshioka , Masayuki Yamada , Shigekazu Miyashita , Takeo Suga , Takeo Takahashi , Kazutaka Ikeda
- 申请人： Kuniyoshi NEMOTO , Kiyoshi Imai , Yomei Yoshioka , Masayuki Yamada , Shigekazu Miyashita , Takeo Suga , Takeo Takahashi , Kazutaka Ikeda
- 申请人地址： JP Tokyo
- 专利权人： KABUSHIKI KAISHA TOSHIBA
- 当前专利权人： KABUSHIKI KAISHA TOSHIBA
- 当前专利权人地址： JP Tokyo
- 优先权： JP2008-328459 20081224
- 主分类号： F01D25/24
- IPC分类号： F01D25/24 ; F01D9/02 ; F01D25/00 ; C22C19/05
摘要：
A Ni-based alloy for a casting part of a steam turbine having excellent high temperature strength, castability and weldability includes, in percentage by mass, 0.01 to 0.15 of C, 18 to 28 of Cr, 10 to 15 of Co, 8 to 12 of Mo, 1.5 to 2 of Al, 0.1 to 3 of Ti, 0.001 to 0.006 of B, 0.1 to 0.7 of Ta, and the balance of Ni plus unavoidable impurities.
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