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Withdrawn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)
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Withdrawn legal-status Critical Current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

Abstract

A turbine rotor material, that has sufficient corrosion resistance and stress corrosion cracking resistance and appropriate strength and toughness in a good balance, and a manufacturing method thereof are provided. The turbine rotor material is a 12Cr alloy steel that contains: C of 0.01 to 0.10%, Si of 0.01 to 0.50%, Mn of 0.1 to 1.0%, Cr of 9 to 13%, Ni of 2 to 7%, Mo of 0.3 to 3%, N of 0.01 to 0.10%, all in weight percent, and remains of Fe and incidental impurities.
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
JP2001328149 2001-10-25
JP2001328149A JP3905739B2 (en) 2001-10-25 2001-10-25 12Cr alloy steel for turbine rotor, method for producing the same, and turbine rotor

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 (en)
EP (1) EP1306458A3 (en)
JP (1) JP3905739B2 (en)
CN (1) CN1173066C (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100033421A (en) * 2008-08-11 2010-03-29 미츠비시 쥬고교 가부시키가이샤 Rotor for low pressure turbine
WO2015046091A1 (en) * 2013-09-27 2015-04-02 独立行政法人産業技術総合研究所 Methods for joining stainless steel members, and stainless steels
CN104033189B (en) * 2014-06-27 2016-01-27 南京赛达机械制造有限公司 A kind of processing technology of turbine blade
CN105420590A (en) * 2015-11-17 2016-03-23 益阳紫荆福利铸业有限公司 Production method capable of improving mechanical performance of C-grade steel
JP7258678B2 (en) * 2019-07-08 2023-04-17 株式会社東芝 steel, turbine rotors and steam turbines
CN112404425A (en) * 2020-11-24 2021-02-26 福州大学 High-strength 12Cr steel and preparation method thereof

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 (en) * 1990-09-10 1992-04-21 Sumitomo Metal Ind Ltd Martensitic stainless steel and its production
EP0831203A2 (en) * 1996-09-24 1998-03-25 Hitachi, Ltd. Blading for a steamturbine of a combined cycle power generation system
JPH10245657A (en) * 1997-03-03 1998-09-14 Mitsubishi Heavy Ind Ltd 12cr alloy steel for turbine rotor
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 (en) * 1993-07-23 1995-02-03 Toshiba Corp Steam turbine rotor
JPH083697A (en) * 1994-06-13 1996-01-09 Japan Steel Works Ltd:The Heat resistant steel
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 (en) * 2000-05-24 2001-11-29 Alstom Power Nv Martensitic hardenable tempering steel with improved heat resistance and ductility

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 (en) * 1990-09-10 1992-04-21 Sumitomo Metal Ind Ltd Martensitic stainless steel and its production
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 (en) * 1997-03-03 1998-09-14 Mitsubishi Heavy Ind Ltd 12cr alloy steel for turbine rotor
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
US20030145916A1 (en) 2003-08-07
JP3905739B2 (en) 2007-04-18
CN1414129A (en) 2003-04-30
EP1306458A2 (en) 2003-05-02
JP2003129193A (en) 2003-05-08
CN1173066C (en) 2004-10-27

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