EP1306458A3 - 12Cr alloy steel for a turbine rotor - Google Patents

12Cr alloy steel for a turbine rotor Download PDF

Info

Publication number
EP1306458A3
EP1306458A3 EP02023904A EP02023904A EP1306458A3 EP 1306458 A3 EP1306458 A3 EP 1306458A3 EP 02023904 A EP02023904 A EP 02023904A EP 02023904 A EP02023904 A EP 02023904A EP 1306458 A3 EP1306458 A3 EP 1306458A3
Authority
EP
European Patent Office
Prior art keywords
turbine rotor
alloy steel
rotor material
toughness
remains
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Withdrawn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
EP02023904A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1306458A2 (en
Inventor
Masatomo Nagasaki Research & Devpt Center Kamada
Masahiro Nagasaki Research & Devpt Center Saito
Akitsugu Nagasaki Research & Devpt Center Fujita
Yusaku c/o Choryo Engineering Co. Ltd. Takano
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Publication of EP1306458A2 publication Critical patent/EP1306458A2/en
Publication of EP1306458A3 publication Critical patent/EP1306458A3/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Withdrawn legal-status Critical Current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
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP02023904A 2001-10-25 2002-10-24 12Cr alloy steel for a turbine rotor Withdrawn EP1306458A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001328149A JP3905739B2 (ja) 2001-10-25 2001-10-25 タービンロータ用１２Ｃｒ合金鋼、その製造方法及びタービンロータ
JP2001328149 2001-10-25

Publications (2)

Publication Number Publication Date
EP1306458A2 EP1306458A2 (en) 2003-05-02
EP1306458A3 true EP1306458A3 (en) 2003-08-27

Family

ID=19144258

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02023904A Withdrawn EP1306458A3 (en) 2001-10-25 2002-10-24 12Cr alloy steel for a turbine rotor

Country Status (4)

Country Link
US (1) US20030145916A1 (zh)
EP (1) EP1306458A3 (zh)
JP (1) JP3905739B2 (zh)
CN (1) CN1173066C (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130051014A (ko) * 2008-08-11 2013-05-16 미츠비시 쥬고교 가부시키가이샤 저압 터빈용 로터
KR101923340B1 (ko) * 2013-09-27 2018-11-28 내셔날 인스티튜트 오브 어드밴스드 인더스트리얼 사이언스 앤드 테크놀로지 스테인리스강 부재의 접합 방법 및 스테인리스강
CN104033189B (zh) * 2014-06-27 2016-01-27 南京赛达机械制造有限公司 一种汽轮机叶片的加工工艺
CN105420590A (zh) * 2015-11-17 2016-03-23 益阳紫荆福利铸业有限公司 一种提高c级钢机械性能的生产方法
JP7258678B2 (ja) * 2019-07-08 2023-04-17 株式会社東芝 鋼、タービンロータ、および、蒸気タービン
CN112404425A (zh) * 2020-11-24 2021-02-26 福州大学 一种高强度12Cr钢及其制备方法

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1221584A (en) * 1967-06-08 1971-02-03 Uddeholms Ab Stainless weldable martensitic steel
GB1236698A (en) * 1969-06-12 1971-06-23 Uddeholms Ab Stainless martensitic steels
GB1379608A (en) * 1970-12-28 1975-01-02 Kobe Steel Ltd Stainless steel suited for casting having a high resistance to corrosion fatigue
US4544420A (en) * 1983-03-01 1985-10-01 Electralloy Corporation Wrought alloy body and method
EP0178334A1 (en) * 1984-10-11 1986-04-23 Kawasaki Steel Corporation Martensitic stainless steels for seamless steel pipe
JPH04120249A (ja) * 1990-09-10 1992-04-21 Sumitomo Metal Ind Ltd マルテンサイト系ステンレス鋼とその製造法
EP0831203A2 (en) * 1996-09-24 1998-03-25 Hitachi, Ltd. Blading for a steamturbine of a combined cycle power generation system
JPH10245657A (ja) * 1997-03-03 1998-09-14 Mitsubishi Heavy Ind Ltd タービンロータ用１２Ｃｒ合金鋼
EP0864663A1 (en) * 1995-09-27 1998-09-16 Sumitomo Metal Industries, Ltd. High-strength welded steel structures having excellent corrosion resistance
EP0867522A2 (en) * 1997-03-25 1998-09-30 Kabushiki Kaisha Toshiba High toughness heat-resistant steel, turbine rotor and method of producing the same
EP1026273A1 (en) * 1997-07-18 2000-08-09 Sumitomo Metal Industries Limited Martensite stainless steel of high corrosion resistance
EP1041261A1 (en) * 1997-12-15 2000-10-04 Hitachi, Ltd. Gas turbine for power generation, and combined power generation system
US6143425A (en) * 1995-10-19 2000-11-07 Nsk Ltd. Rolling bearing and rolling device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3925064A (en) * 1973-05-31 1975-12-09 Kobe Steel Ltd High corrosion fatigue strength stainless steel
US5320687A (en) * 1992-08-26 1994-06-14 General Electric Company Embrittlement resistant stainless steel alloy
JPH0734202A (ja) * 1993-07-23 1995-02-03 Toshiba Corp 蒸気タービン用ロータ
JPH083697A (ja) * 1994-06-13 1996-01-09 Japan Steel Works Ltd:The 耐熱鋼
US5906791A (en) * 1997-07-28 1999-05-25 General Electric Company Steel alloys
US5820817A (en) * 1997-07-28 1998-10-13 General Electric Company Steel alloy
DE10025808A1 (de) * 2000-05-24 2001-11-29 Alstom Power Nv Martensitisch-härtbarer Vergütungsstahl mit verbesserter Warmfestigkeit und Duktilität

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1221584A (en) * 1967-06-08 1971-02-03 Uddeholms Ab Stainless weldable martensitic steel
GB1236698A (en) * 1969-06-12 1971-06-23 Uddeholms Ab Stainless martensitic steels
GB1379608A (en) * 1970-12-28 1975-01-02 Kobe Steel Ltd Stainless steel suited for casting having a high resistance to corrosion fatigue
US4544420A (en) * 1983-03-01 1985-10-01 Electralloy Corporation Wrought alloy body and method
EP0178334A1 (en) * 1984-10-11 1986-04-23 Kawasaki Steel Corporation Martensitic stainless steels for seamless steel pipe
JPH04120249A (ja) * 1990-09-10 1992-04-21 Sumitomo Metal Ind Ltd マルテンサイト系ステンレス鋼とその製造法
EP0864663A1 (en) * 1995-09-27 1998-09-16 Sumitomo Metal Industries, Ltd. High-strength welded steel structures having excellent corrosion resistance
US6143425A (en) * 1995-10-19 2000-11-07 Nsk Ltd. Rolling bearing and rolling device
EP0831203A2 (en) * 1996-09-24 1998-03-25 Hitachi, Ltd. Blading for a steamturbine of a combined cycle power generation system
JPH10245657A (ja) * 1997-03-03 1998-09-14 Mitsubishi Heavy Ind Ltd タービンロータ用１２Ｃｒ合金鋼
EP0867522A2 (en) * 1997-03-25 1998-09-30 Kabushiki Kaisha Toshiba High toughness heat-resistant steel, turbine rotor and method of producing the same
EP1026273A1 (en) * 1997-07-18 2000-08-09 Sumitomo Metal Industries Limited Martensite stainless steel of high corrosion resistance
EP1041261A1 (en) * 1997-12-15 2000-10-04 Hitachi, Ltd. Gas turbine for power generation, and combined power generation system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 016, no. 375 (C - 0973) 12 August 1992 (1992-08-12) *
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 14 31 December 1998 (1998-12-31) *

Also Published As

Publication number Publication date
JP3905739B2 (ja) 2007-04-18
US20030145916A1 (en) 2003-08-07
JP2003129193A (ja) 2003-05-08
CN1414129A (zh) 2003-04-30
EP1306458A2 (en) 2003-05-02
CN1173066C (zh) 2004-10-27

Similar Documents

Publication Publication Date Title
CA2493401A1 (en) Al-cu-mg-si alloy and method for producing the same
WO2004072308A3 (en) Fine-grained martensitic stainless steel and method thereof
WO1998051834A1 (fr) Acier pour ressort d'une grande tenacite
WO2009126954A3 (en) Martensitic stainless steel strengthened by copper-nucleated nitride precipitates
TW200632113A (en) A steel with sulfuric acid dew-point corrosion resistance
EP0298127A4 (en) Heat-resistant steel and gas turbine made of the same
ATE510031T1 (de) Verfahren zur herstellung von niedrig legiertem stahl mit hervorragender korrosionsbeständigkeit
WO2006060434A3 (en) Weldable, crack-resistant co-based alloy
EP1571227A4 (en) HEAT-RESISTANT STEEL SHEET CONTAINING CHROME AND HAVING EXCELLENT FAKEABILITY AND METHOD OF PRODUCING THE SAME
EP1340825A3 (en) Ni-base alloy, heat-resistant spring made of the alloy, and process for producing the spring
JPH10265909A (ja) 高靭性耐熱鋼、タービンロータ及びその製造方法
CA2232679A1 (en) High-strength, notch-ductile precipitation-hardening stainless steel alloy
WO2009028671A1 (ja) 高温強度に優れたボイラ用低熱膨張Ｎｉ基超耐熱合金及びそれを用いたボイラ部品並びにボイラ部品の製造方法
WO2009025314A1 (ja) 耐高圧水素環境脆化特性に優れた高強度低合金鋼およびその製造方法
TW200741016A (en) Brake disks having high temper softening resistance
CA2299468A1 (en) High-strength, notch-ductile precipitation-hardening stainless steel alloy
WO2005089037A3 (de) Schweisszusatzmateriallegierung sowie verfahren zur herstellung eines schweissdrahtes
CA2405278A1 (en) Hot-working steel article
TW200732483A (en) Ultra-high strength martensitic alloy
EP1306458A3 (en) 12Cr alloy steel for a turbine rotor
EP1672173A3 (en) Low-pressure steam turbine rotor
WO2004022793A3 (fr) Acier a tres haute resistance mecanique et procede de fabrication d'une feuille de cet acier revetue de zinc ou d'alliage de zinc
WO2002070768A3 (en) A cast shaped article made from high strenght, precipiation-hardenable stainless steel and a process for making same
TW200734470A (en) Corrosion-resistant, free-machining, magnetic stainless steel
EP1228253B8 (fr) Composition d'acier, procede de fabrication et pieces formees dans ces compositions, en particulier soupapes

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20021024

AK Designated contracting states

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

AKX Designation fees paid

Designated state(s): DE FR GB IT

17Q First examination report despatched

Effective date: 20050930

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20080501