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RU2013150798A - NIOBIUM-CAST IRON AND CONSTRUCTION ELEMENT - Google Patents

NIOBIUM-CAST IRON AND CONSTRUCTION ELEMENT Download PDF

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RU2013150798A
RU2013150798A RU2013150798/02A RU2013150798A RU2013150798A RU 2013150798 A RU2013150798 A RU 2013150798A RU 2013150798/02 A RU2013150798/02 A RU 2013150798/02A RU 2013150798 A RU2013150798 A RU 2013150798A RU 2013150798 A RU2013150798 A RU 2013150798A
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weight
alloy according
cobalt
niobium
silicon
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RU2013150798/02A
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Russian (ru)
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RU2562175C2 (en
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Зузанне ЛАНГЕ
Лутц ДЕККЕР
Гвидо ГЮНТЕР
Бабетте ТОНН
Марк ФИРБАУМ
Штефан ЯНССЕН
Альфред ШОЛЬЦ
Шилунь ШЭН
Штефан ВАНЮРА
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Сименс Акциенгезелльшафт
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C37/00—Cast-iron alloys
    • C22C37/06—Cast-iron alloys containing chromium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/08—Making cast-iron alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C37/00—Cast-iron alloys
    • C22C37/04—Cast-iron alloys containing spheroidal graphite
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C37/00—Cast-iron alloys
    • C22C37/10—Cast-iron alloys containing aluminium or silicon
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Cell Electrode Carriers And Collectors (AREA)

Abstract

1. Сплав на основе железа, содержащий, вес. %:кремний (Si) 2,0-4,5%, в частности 2,3-3,9%,углерод (С) 2,9-4,0%, в частности 3,2-3,7%,ниобий (Nb) 0,05-0,7%, в частности 0,05-0,6%, в особенности 0,1-0,7%,молибден (Мо) 0,3-1,5%, в частности 0,4-1,0%, в особенности 0,5%,необязательнокобальт (Со) 0,1-2,0%, в частности 0,1-1,0%,марганец (Mn) ≤0,3%, в частности 0,15-0,30%,никель (Ni) ≤0,5%, в частности ≤0,3%,магний (Mg) ≤0,7%, в частности по меньшей мере 0,03%, в особенности 0,03-0,06%,фосфор (Р) ≤0,05%, в частности 0,02-0,035%,сера (S) ≤0,012%, в частности ≤0,005%, в особенности от 0,003% до 0,012%,хром (Cr) ≤0,1%, в частности ≤0,05%,сурьма (Sb) ≤0,004%, в частности ≤0,003%,железо (Fe), в частности остаток железо,который для углерода (С), кремния (Si) и фосфора (Р) имеет эквивалент СЕ от 4,1% до 4,4%, при этом выполняется:2. Сплав по п. 1, который содержит 0,1-0,2 вес. %ниобия (Nb), в частности 0,1 вес. % ниобия.3. Сплав по п. 1, который содержит 0,4-0,6 вес. % ниобия (Nb), в частности 0,5 вес. % ниобия.4. Сплав по п. 1, который не содержит кобальта (Со).5. Сплав по п. 1, содержащий 0,4-0,6 вес. % кобальта, в частности 0,5 вес. % кобальта.6. Сплав по п. 1, содержащий 0,9-1,0 вес. % кобальта, в частности 1,0 вес. % кобальта.7. Сплав по п. 1, который содержит 1-2 вес. % кобальта (Со), в частности 1,5 вес. % (Со), в особенности 2,0 вес. % (Со).8. Сплав по п. 1, который содержит 0,1 вес. % кобальта.9. Сплав по одному или нескольким из предыдущих пунктов, в котором доля кремния (Si), кобальта (Со), молибдена (Мо) и ниобия (Nb) составляет менее 6,5 вес. %.10. Сплав по п. 1, в котором доля молибдена (Мо) и ниобия (Nb) не превышает 1,5 вес. %.11. Сплав по п. 1, который содержит 2,0-3,0 вес. % кремния (Si), в частности 2,3-2,7 вес. % кремния.12. Сплав по п. 1, который содержит 3,0-4,5 вес. % кремния (Si), в частности 3,3-3,5 вес. % кремния.13. Сплав по п. 1, который не содержит никеля (Ni), кроме воз1. Alloy based on iron containing, weight. %: silicon (Si) 2.0-4.5%, in particular 2.3-3.9%, carbon (C) 2.9-4.0%, in particular 3.2-3.7%, niobium (Nb) 0.05-0.7%, in particular 0.05-0.6%, in particular 0.1-0.7%, molybdenum (Mo) 0.3-1.5%, in particular 0.4-1.0%, in particular 0.5%, optionally cobalt (Co) 0.1-2.0%, in particular 0.1-1.0%, manganese (Mn) ≤ 0.3%, in particular 0.15-0.30%, nickel (Ni) ≤0.5%, in particular ≤0.3%, magnesium (Mg) ≤0.7%, in particular at least 0.03%, in features 0.03-0.06%, phosphorus (P) ≤0.05%, in particular 0.02-0.035%, sulfur (S) ≤0.012%, in particular ≤0.005%, in particular from 0.003% to 0.012 %, chromium (Cr) ≤0.1%, in particular ≤0.05%, antimony (Sb) ≤0.004%, in particular ≤0.003%, iron (Fe), in particular the remainder of iron, which for carbon (C) , silicon (Si) and phosphorus (P) has the equivalent of CE from 4.1% to 4.4%, while: 2. The alloy according to claim 1, which contains 0.1-0.2 weight. % niobium (Nb), in particular 0.1 wt. % niobium. 3. The alloy according to claim 1, which contains 0.4-0.6 wt. % niobium (Nb), in particular 0.5 wt. % niobium. 4. An alloy according to claim 1, which does not contain cobalt (Co). 5. The alloy according to claim 1, containing 0.4-0.6 wt. % cobalt, in particular 0.5 wt. % cobalt. 6. The alloy according to claim 1, containing 0.9-1.0 weight. % cobalt, in particular 1.0 wt. % cobalt. 7. Alloy according to claim 1, which contains 1-2 wt. % cobalt (Co), in particular 1.5 wt. % (Co), especially 2.0 wt. % (Co). 8. The alloy according to claim 1, which contains 0.1 weight. % cobalt. 9. An alloy according to one or more of the previous claims, in which the proportion of silicon (Si), cobalt (Co), molybdenum (Mo) and niobium (Nb) is less than 6.5 wt. %.10. The alloy according to claim 1, in which the proportion of molybdenum (Mo) and niobium (Nb) does not exceed 1.5 wt. %.eleven. The alloy according to claim 1, which contains 2.0-3.0 weight. % silicon (Si), in particular 2.3-2.7 wt. % silicon 12. The alloy according to claim 1, which contains 3.0-4.5 weight. % silicon (Si), in particular 3.3-3.5 wt. % silicon. 13. Alloy according to claim 1, which does not contain nickel (Ni), except for

Claims (18)

1. Сплав на основе железа, содержащий, вес. %:1. An iron-based alloy containing, by weight. %: кремний (Si) 2,0-4,5%, в частности 2,3-3,9%,silicon (Si) 2.0-4.5%, in particular 2.3-3.9%, углерод (С) 2,9-4,0%, в частности 3,2-3,7%,carbon (C) 2.9-4.0%, in particular 3.2-3.7%, ниобий (Nb) 0,05-0,7%, в частности 0,05-0,6%, в особенности 0,1-0,7%,niobium (Nb) 0.05-0.7%, in particular 0.05-0.6%, in particular 0.1-0.7%, молибден (Мо) 0,3-1,5%, в частности 0,4-1,0%, в особенности 0,5%,molybdenum (Mo) 0.3-1.5%, in particular 0.4-1.0%, in particular 0.5%, необязательноnot necessary кобальт (Со) 0,1-2,0%, в частности 0,1-1,0%,cobalt (Co) 0.1-2.0%, in particular 0.1-1.0%, марганец (Mn) ≤0,3%, в частности 0,15-0,30%,Manganese (Mn) ≤0.3%, in particular 0.15-0.30%, никель (Ni) ≤0,5%, в частности ≤0,3%,nickel (Ni) ≤0.5%, in particular ≤0.3%, магний (Mg) ≤0,7%, в частности по меньшей мере 0,03%, в особенности 0,03-0,06%,magnesium (Mg) ≤0.7%, in particular at least 0.03%, in particular 0.03-0.06%, фосфор (Р) ≤0,05%, в частности 0,02-0,035%,phosphorus (P) ≤0.05%, in particular 0.02-0.035%, сера (S) ≤0,012%, в частности ≤0,005%, в особенности от 0,003% до 0,012%,sulfur (S) ≤0.012%, in particular ≤0.005%, in particular from 0.003% to 0.012%, хром (Cr) ≤0,1%, в частности ≤0,05%,chromium (Cr) ≤0.1%, in particular ≤0.05%, сурьма (Sb) ≤0,004%, в частности ≤0,003%,antimony (Sb) ≤0.004%, in particular ≤0.003%, железо (Fe), в частности остаток железо,iron (Fe), in particular iron, который для углерода (С), кремния (Si) и фосфора (Р) имеет эквивалент СЕ от 4,1% до 4,4%, при этом выполняется:which for carbon (C), silicon (Si) and phosphorus (P) has a CE equivalent of 4.1% to 4.4%, while:
Figure 00000001
Figure 00000001
 2. Сплав по п. 1, который содержит 0,1-0,2 вес. %ниобия (Nb), в частности 0,1 вес. % ниобия.2. The alloy according to claim 1, which contains 0.1-0.2 weight. % niobium (Nb), in particular 0.1 weight. % niobium. 3. Сплав по п. 1, который содержит 0,4-0,6 вес. % ниобия (Nb), в частности 0,5 вес. % ниобия.3. The alloy according to claim 1, which contains 0.4-0.6 weight. % niobium (Nb), in particular 0.5 weight. % niobium. 4. Сплав по п. 1, который не содержит кобальта (Со).4. The alloy according to claim 1, which does not contain cobalt (Co). 5. Сплав по п. 1, содержащий 0,4-0,6 вес. % кобальта, в частности 0,5 вес. % кобальта.5. The alloy according to claim 1, containing 0.4-0.6 weight. % cobalt, in particular 0.5 weight. % cobalt. 6. Сплав по п. 1, содержащий 0,9-1,0 вес. % кобальта, в частности 1,0 вес. % кобальта.6. The alloy according to claim 1, containing 0.9-1.0 weight. % cobalt, in particular 1.0 weight. % cobalt. 7. Сплав по п. 1, который содержит 1-2 вес. % кобальта (Со), в частности 1,5 вес. % (Со), в особенности 2,0 вес. % (Со).7. The alloy according to claim 1, which contains 1-2 weight. % cobalt (Co), in particular 1.5 weight. % (Co), in particular 2.0 weight. % (Co). 8. Сплав по п. 1, который содержит 0,1 вес. % кобальта.8. The alloy according to claim 1, which contains 0.1 weight. % cobalt. 9. Сплав по одному или нескольким из предыдущих пунктов, в котором доля кремния (Si), кобальта (Со), молибдена (Мо) и ниобия (Nb) составляет менее 6,5 вес. %.9. The alloy according to one or more of the preceding paragraphs, in which the proportion of silicon (Si), cobalt (Co), molybdenum (Mo) and niobium (Nb) is less than 6.5 weight. % 10. Сплав по п. 1, в котором доля молибдена (Мо) и ниобия (Nb) не превышает 1,5 вес. %.10. The alloy according to claim 1, in which the proportion of molybdenum (Mo) and niobium (Nb) does not exceed 1.5 weight. % 11. Сплав по п. 1, который содержит 2,0-3,0 вес. % кремния (Si), в частности 2,3-2,7 вес. % кремния.11. The alloy according to claim 1, which contains 2.0-3.0 weight. % silicon (Si), in particular 2.3-2.7 weight. % silicon. 12. Сплав по п. 1, который содержит 3,0-4,5 вес. % кремния (Si), в частности 3,3-3,5 вес. % кремния.12. The alloy according to claim 1, which contains 3.0-4.5 weight. % silicon (Si), in particular 3.3-3.5 weight. % silicon. 13. Сплав по п. 1, который не содержит никеля (Ni), кроме возможной примеси.13. The alloy according to claim 1, which does not contain Nickel (Ni), except for possible impurities. 14. Сплав по п. 1, который содержит по меньшей мере 0,01 вес. % никеля, в частности по меньшей мере 0,05 вес. %.14. The alloy according to claim 1, which contains at least 0.01 weight. % nickel, in particular at least 0.05 weight. % 15. Сплав по п. 1, который содержит 2,5-3,7 вес. % углерода (С), в частности 2,9-3,0 вес. % углерода.15. The alloy according to claim 1, which contains 2.5-3.7 weight. % carbon (C), in particular 2.9-3.0 weight. % carbon. 16. Сплав по п. 1, который не содержит хрома (Cr), кроме возможной примеси.16. The alloy according to claim 1, which does not contain chromium (Cr), except for a possible impurity. 17. Сплав по п. 1, который содержит по меньшей мере 0,01 вес. % хрома, в частности по меньшей мере 0,05 вес. %.17. The alloy according to claim 1, which contains at least 0.01 weight. % chromium, in particular at least 0.05 weight. % 18. Конструктивный элемент, в частности состоящий из сплава по любому из пп. 1-17, который, в частности представляет собой часть корпуса, в частности паровой турбины (300, 303) или газовой турбины (100). 18. A structural element, in particular consisting of an alloy according to any one of paragraphs. 1-17, which, in particular, is part of a housing, in particular a steam turbine (300, 303) or a gas turbine (100).
RU2013150798/02A 2011-04-15 2012-03-21 Cast iron containing niobium and structural element RU2562175C2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP11162635.4A EP2511394B1 (en) 2011-04-15 2011-04-15 Cast iron with niobium and component
EP11162635.4 2011-04-15
PCT/EP2012/054941 WO2012139864A1 (en) 2011-04-15 2012-03-21 Cast iron containing niobium and component

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EP (1) EP2511394B1 (en)
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WO (1) WO2012139864A1 (en)

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CN103517997A (en) 2014-01-15
RU2562175C2 (en) 2015-09-10
US20140030133A1 (en) 2014-01-30
EP2511394A1 (en) 2012-10-17
WO2012139864A1 (en) 2012-10-18

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