发明公开
EP0790324A1 High-temperature sufidation-corrosion resistant nickel-base alloy
失效
Hochtemperatursulfidierungs-KorrosionsbeständigeLegierung auf Nickelbasis
- 专利标题: High-temperature sufidation-corrosion resistant nickel-base alloy
- 专利标题(中): Hochtemperatursulfidierungs-KorrosionsbeständigeLegierung auf Nickelbasis
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申请号: EP97102531.7申请日: 1997-02-17
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公开(公告)号: EP0790324A1公开(公告)日: 1997-08-20
- 发明人: Yakuwa, Hiroshi , Nakahama, Shuhei , Miyasaka, Matsuho , Kawasaki, Masamichi , Narita, Toshio
- 申请人: EBARA CORPORATION
- 申请人地址: 11-1, Haneda Asahi-cho Ohta-ku, Tokyo JP
- 专利权人: EBARA CORPORATION
- 当前专利权人: EBARA CORPORATION
- 当前专利权人地址: 11-1, Haneda Asahi-cho Ohta-ku, Tokyo JP
- 代理机构: Geyer, Ulrich F., Dr. Dipl.-Phys.
- 优先权: JP54054/96 19960216
- 主分类号: C22C19/05
- IPC分类号: C22C19/05
摘要:
A high-temperature sulfidation-corrosion resistant nickel-base alloy includes 12 ∼ 15 weight % of cobalt, 18 ∼ 21 weight % of chromium, 3.5 ∼ 5 weight % of molybdenum, 0.02 ∼ 0.1 weight % of carbon, at most 2.75 weight % of titanium, and at least 1.6 weight % of aluminum. The remainder is essentially of nickel except for impurities. The high-temperature sulfidation-corrosion resistant nickel-base alloy has sufficient high-temperature strength and is highly resistant to a high-temperature sulfidation corrosion.
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