Invention Grant
- Patent Title: Ni-based alloy for casting used for steam turbine and casting component of steam turbine
- Patent Title (中): 用于蒸汽轮机和汽轮机铸件的镍基合金
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Application No.: US13487633Application Date: 2012-06-04
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Publication No.: US09447486B2Publication Date: 2016-09-20
- Inventor: Kuniyoshi Nemoto , Yomei Yoshioka , Kiyoshi Imai , Shigekazu Miyashita , Takeo Suga
- Applicant: Kuniyoshi Nemoto , Yomei Yoshioka , Kiyoshi Imai , Shigekazu Miyashita , Takeo Suga
- Applicant Address: JP Tokyo
- Assignee: KABUSHIKI KAISHA TOSHIBA
- Current Assignee: KABUSHIKI KAISHA TOSHIBA
- Current Assignee Address: JP Tokyo
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P
- Priority: JP2011-130309 20110610
- Main IPC: C22C19/05
- IPC: C22C19/05 ; C22F1/10
Abstract:
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.
Public/Granted literature
- US20120315133A1 NI-BASED ALLOY FOR CASTING USED FOR STEAM TURBINE AND CASTING COMPONENT OF STEAM TURBINE Public/Granted day:2012-12-13
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