EP2267174A3 - Simo ductile iron castings for gas turbine applications - Google Patents

Simo ductile iron castings for gas turbine applications Download PDF

Info

Publication number
EP2267174A3
EP2267174A3 EP10165664A EP10165664A EP2267174A3 EP 2267174 A3 EP2267174 A3 EP 2267174A3 EP 10165664 A EP10165664 A EP 10165664A EP 10165664 A EP10165664 A EP 10165664A EP 2267174 A3 EP2267174 A3 EP 2267174A3
Authority
EP
European Patent Office
Prior art keywords
weight percent
ductile iron
gas turbine
iron castings
turbine applications
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP10165664A
Other languages
German (de)
French (fr)
Other versions
EP2267174A2 (en
Inventor
Gregory Keith Bouse
Joseph Jay Jackson
Jason Robert Parolini
Subrahmanyam Thangirala
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of EP2267174A2 publication Critical patent/EP2267174A2/en
Publication of EP2267174A3 publication Critical patent/EP2267174A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • C21D1/32—Soft annealing, e.g. spheroidising
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D5/00—Heat treatments of cast-iron
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

A cast article of a ductile iron wherein the ductile iron includes carbon from about 2.8 to 3.7 weight percent, silicon from about 3.0 to 3.5 weight percent, molybdenum from 0.8 to 1.5 weight percent, magnesium from about 0.025 to 0.60 weight percent, sulfur less than 0.01 weight percent and nickel from about 0.0 to 1.3 weight percent, the remaining content being iron is provided. The cast article is suitable for a gas turbine casing. A method of manufacturing a cast article is also provided.
EP10165664A 2009-06-23 2010-06-11 Simo ductile iron castings for gas turbine applications Withdrawn EP2267174A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/489,872 US20100322813A1 (en) 2009-06-23 2009-06-23 SiMo DUCTILE IRON CASTINGS IN GAS TURBINE APPLICATIONS

Publications (2)

Publication Number Publication Date
EP2267174A2 EP2267174A2 (en) 2010-12-29
EP2267174A3 true EP2267174A3 (en) 2012-05-02

Family

ID=42983747

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10165664A Withdrawn EP2267174A3 (en) 2009-06-23 2010-06-11 Simo ductile iron castings for gas turbine applications

Country Status (4)

Country Link
US (1) US20100322813A1 (en)
EP (1) EP2267174A3 (en)
JP (1) JP2011007182A (en)
RU (1) RU2010125395A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8979488B2 (en) 2011-03-23 2015-03-17 General Electric Company Cast turbine casing and nozzle diaphragm preforms
JP6090905B2 (en) * 2012-11-26 2017-03-08 株式会社日本製鋼所 Spheroidal graphite cast iron excellent in high temperature ductility and high temperature creep rupture life and method for producing the same
US10975718B2 (en) 2013-02-12 2021-04-13 Garrett Transportation I Inc Stainless steel alloys, turbocharger turbine housings formed from the stainless steel alloys, and methods for manufacturing the same
CN103820700B (en) * 2014-01-30 2016-09-14 南车戚墅堰机车车辆工艺研究所有限公司 Heat-proof nodular cast iron and preparation method thereof
CN104152795A (en) * 2014-08-29 2014-11-19 太原市明仕达煤炭设计有限公司 Preparation method of high-chrome-nickel-molybdenum abrasion resistant alloy casting of shallow groove sorter slideway
CN104313452B (en) * 2014-09-26 2016-06-29 北京工业大学 A kind of carbide-containing Austria shellfish wear-resisting ductile iron and preparation method thereof
CN104911458A (en) * 2015-04-27 2015-09-16 苏州劲元油压机械有限公司 Hydraulic pump body casting process
CN105002416B (en) * 2015-07-20 2017-02-22 格朗富（苏州）集团有限公司 Automobile brake shell and manufacturing method thereof
CN108034882A (en) * 2017-12-07 2018-05-15 泰州市博世特精密铸造有限公司 A kind of hard, wear-resistant automobile pump precision casting process
CN108103392A (en) * 2018-01-12 2018-06-01 湖北星源科技有限公司 A kind of high-strength ductile cast iron production method
CN109943767A (en) * 2019-03-29 2019-06-28 浙江欧冶达机械制造股份有限公司 Elevator traction sheave casting technique
CN111926240B (en) * 2020-07-26 2022-03-11 湖北星源科技有限公司 High-strength and high-elongation nodular cast iron alloy and preparation method thereof
CN111961954A (en) * 2020-08-26 2020-11-20 上海烟草机械有限责任公司 Preparation method of as-cast mixed matrix QT500-14 nodular cast iron
CN113088804A (en) * 2021-05-19 2021-07-09 太原市三高能源发展有限公司 Cast high-strength ductile iron and manufacturing method thereof

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0076701A2 (en) * 1981-10-05 1983-04-13 Nissan Motor Co., Ltd. Heat-resistant spheroidal graphite cast iron
DE3706516A1 (en) * 1987-02-28 1988-09-08 Kuepper August Gmbh & Co Kg Process for producing heat-resistant iron-carbon alloy having good thermal conductivity, and iron-carbon alloy
JPH07118790A (en) * 1993-10-21 1995-05-09 Japan Steel Works Ltd:The Spheroidal graphite cast iron excellent in high temperature strength
WO1999019525A1 (en) * 1997-10-14 1999-04-22 Camcast Industries Pty. Ltd. Iron alloy containing molybdenum
JP2000303135A (en) * 1999-04-20 2000-10-31 Kawasaki Steel Corp Composite roll for hot rolling made by centrifugal casting excellent in accident resistance
JP2002371335A (en) * 2001-06-19 2002-12-26 Aisin Takaoka Ltd Heat-resistant spherical cast graphite iron for exhaust part superior in oxidation resistance
EP1724370A1 (en) * 2004-03-04 2006-11-22 Hitachi Metals, Ltd. Heat resisting cast iron and exhaust system part therefrom
EP1808504A1 (en) * 2006-01-16 2007-07-18 Siemens Aktiengesellschaft Cast iron containing cobalt for use in steam turbines
US20090123321A1 (en) * 2007-11-09 2009-05-14 Hyundai Motor Company High-silicon ferritic compacted graphite cast iron having high-temperature strength and high oxidation-resistance

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4232385A1 (en) * 1992-09-26 1994-03-31 Asea Brown Boveri Gas turbine with flanged exhaust housing
US6508981B1 (en) * 2001-05-24 2003-01-21 Wescast Industries, Inc. High temperature oxidation resistant ductile iron
EP1877593A2 (en) 2005-05-05 2008-01-16 Wescast Industries, Inc. Cast iron with improved high temperature properties
KR20080035160A (en) * 2006-10-18 2008-04-23 현대자동차주식회사 High strength and high oxidation resist hi silicon ferritic cast iron

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0076701A2 (en) * 1981-10-05 1983-04-13 Nissan Motor Co., Ltd. Heat-resistant spheroidal graphite cast iron
DE3706516A1 (en) * 1987-02-28 1988-09-08 Kuepper August Gmbh & Co Kg Process for producing heat-resistant iron-carbon alloy having good thermal conductivity, and iron-carbon alloy
JPH07118790A (en) * 1993-10-21 1995-05-09 Japan Steel Works Ltd:The Spheroidal graphite cast iron excellent in high temperature strength
WO1999019525A1 (en) * 1997-10-14 1999-04-22 Camcast Industries Pty. Ltd. Iron alloy containing molybdenum
JP2000303135A (en) * 1999-04-20 2000-10-31 Kawasaki Steel Corp Composite roll for hot rolling made by centrifugal casting excellent in accident resistance
JP2002371335A (en) * 2001-06-19 2002-12-26 Aisin Takaoka Ltd Heat-resistant spherical cast graphite iron for exhaust part superior in oxidation resistance
EP1724370A1 (en) * 2004-03-04 2006-11-22 Hitachi Metals, Ltd. Heat resisting cast iron and exhaust system part therefrom
EP1808504A1 (en) * 2006-01-16 2007-07-18 Siemens Aktiengesellschaft Cast iron containing cobalt for use in steam turbines
US20090123321A1 (en) * 2007-11-09 2009-05-14 Hyundai Motor Company High-silicon ferritic compacted graphite cast iron having high-temperature strength and high oxidation-resistance

Also Published As

Publication number Publication date
EP2267174A2 (en) 2010-12-29
JP2011007182A (en) 2011-01-13
RU2010125395A (en) 2011-12-27
US20100322813A1 (en) 2010-12-23

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