发明授权
- 专利标题： Ni-based alloy for casting used for steam turbine and casting component of steam turbine
- 专利标题（中）： 用于蒸汽轮机和汽轮机铸件的镍基合金
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申请号： US13487633申请日： 2012-06-04
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公开(公告)号： US09447486B2公开(公告)日： 2016-09-20
- 发明人: Kuniyoshi Nemoto , Yomei Yoshioka , Kiyoshi Imai , Shigekazu Miyashita , Takeo Suga
- 申请人： Kuniyoshi Nemoto , Yomei Yoshioka , Kiyoshi Imai , Shigekazu Miyashita , Takeo Suga
- 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
- 代理机构： Oblon, McClelland, Maier & Neustadt, L.L.P
- 优先权： JP2011-130309 20110610
- 主分类号： C22C19/05
- IPC分类号： C22C19/05 ; C22F1/10
摘要：
An Ni-based alloy for casting used for a steam turbine of an embodiment contains in percent (%) by mass C (carbon): 0.01 to 0.1, Cr (chromium): 15 to 25, Co (cobalt): 10 to 15, Mo (molybdenum): 5 to 12, Al (aluminum): 0.5 to 2, Ti (titanium): 0.3 to 2, B (boron): 0.001 to 0.006, Ta (tantalum): 0.05 to 1, Si (silicon): 0.1 to 0.5, Mn (manganese): 0.1 to 0.5, and the balance of Ni (nickel) and unavoidable impurities.
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