CN104388839A - Alloy for steam turbine rotor - Google Patents

Alloy for steam turbine rotor Download PDF

Info

Publication number
CN104388839A
CN104388839A CN201410615152.2A CN201410615152A CN104388839A CN 104388839 A CN104388839 A CN 104388839A CN 201410615152 A CN201410615152 A CN 201410615152A CN 104388839 A CN104388839 A CN 104388839A
Authority
CN
China
Prior art keywords
turbine rotor
alloy
steam turbine
present
surplus
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.)
Granted
Application number
CN201410615152.2A
Other languages
Chinese (zh)
Other versions
CN104388839B (en
Inventor
杨龙兴
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.)
Shandong othea Jianyang carbon black Co.,Ltd.
Original Assignee
Wuxi Yanggong Machinery Manufacturing Co 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 Wuxi Yanggong Machinery Manufacturing Co Ltd filed Critical Wuxi Yanggong Machinery Manufacturing Co Ltd
Priority to CN201410615152.2A priority Critical patent/CN104388839B/en
Publication of CN104388839A publication Critical patent/CN104388839A/en
Application granted granted Critical
Publication of CN104388839B publication Critical patent/CN104388839B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
    • C22C38/105—Ferrous alloys, e.g. steel alloys containing cobalt containing Co 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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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

Landscapes

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

Abstract

The invention discloses an alloy for a steam turbine rotor. The alloy for the steam turbine rotor comprises the following elements: 5-8% of Ni, 1-1.5% of Mo, 0.1-0.3% of Pb, 0.2-0.5% of Co, 0.7-1% of Mn, 0.2-0.3% of V, 0.25-0.35% of C, less than or equal to 0.1% of Si and the balance of Fe. Compared with the existing alloy steel, the alloy for the steam turbine rotor can be used for obviously improving impact energy of a material for the steam turbine rotor and improving toughness of the material, so that the alloy for the steam turbine rotor especially can serve as a material for a high temperature steam turbine rotor.

Description

A kind of turbine rotor alloy
Technical field
The invention belongs to field of alloy material, be specifically related to a kind of turbine rotor alloy.
Background technology
Turbine rotor is the important core parts of steam turbine, because of the rigors of its Working environment, rotor alloy material is needed to have good hot strength, generally select steel alloy, as 30Cr1Mo1V, but the toughness of this steel alloy is relatively poor, its range of application is limited, the demand of high-temperature steam turbine rotor can not be met.
Summary of the invention
The technical problem to be solved in the present invention overcomes existing defect, provides a kind of turbine rotor alloy.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
A kind of turbine rotor alloy, alloying element and percentage composition as follows: Ni 5-8, Mo 1-1.5, Pb 0.1-0.3, Co 0.2-0.5, Mn 0.7-1, V 0.2-0.3, C 0.25-0.35, Si≤0.1, surplus is Fe.
Containing impurity such as inevitable P, S in alloy, but foreign matter content is more few better.
Turbine rotor alloy of the present invention, compared with existing steel alloy, can significantly improve the ballistic work of existing turbine rotor material, improve the toughness of material, be particularly suitable for the material as high-temperature steam turbine rotor.
Embodiment
Below in conjunction with preferred embodiment, the present invention will be described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
Embodiment 1
The weight percent of each element of turbine rotor alloy is: Ni 8, Mo 1, Pb 0.3, Co 0.3, Mn 1, V 0.3, C 0.30, Si0.07, and surplus is Fe, smelts according to a conventional method and obtains.The yield strength of alloy: 720MPa, unit elongation: 17%, relative reduction in area: 65.0%, ballistic work A kv: 180J.
Embodiment 2
The weight percent of each element of turbine rotor alloy is: Ni 5, Mo 1.5, Pb 0.1, Co 0.2, Mn 1, V 0.2, C 0.25, Si0.07, and surplus is Fe, smelts according to a conventional method and obtains.The yield strength of alloy: 680MPa, unit elongation: 23%, relative reduction in area: 72.0%, ballistic work A kv: 175J.
Embodiment 3
The weight percent of each element of turbine rotor alloy is: Ni 6, Mo 1.1, Pb 0.3, Co 0.5, Mn 0.7, V 0.3, C 0.35, Si0.06, and surplus is Fe, smelts according to a conventional method and obtains.The yield strength of alloy: 710MPa, unit elongation: 19%, relative reduction in area: 68.2%, ballistic work A kv: 167J.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (2)

1. a turbine rotor alloy, alloying element and percentage composition as follows: Ni 5-8, Mo 1-1.5, Pb 0.1-0.3, Co 0.2-0.5, Mn 0.7-1, V 0.2-0.3, C 0.25-0.35, Si≤0.1, surplus is Fe.
2. turbine rotor alloy according to claim 1, is characterized in that, described alloying element and percentage composition as follows: Ni 8, Mo 1-1.5, Pb 0.3, Co 0.2-0.5, Mn 0.7-1, V 0.2-0.3, C 0.25-0.35, Si≤0.1, surplus is Fe.
CN201410615152.2A 2014-11-05 2014-11-05 Alloy for steam turbine rotor Active CN104388839B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410615152.2A CN104388839B (en) 2014-11-05 2014-11-05 Alloy for steam turbine rotor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410615152.2A CN104388839B (en) 2014-11-05 2014-11-05 Alloy for steam turbine rotor

Publications (2)

Publication Number Publication Date
CN104388839A true CN104388839A (en) 2015-03-04
CN104388839B CN104388839B (en) 2017-01-18

Family

ID=52606795

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410615152.2A Active CN104388839B (en) 2014-11-05 2014-11-05 Alloy for steam turbine rotor

Country Status (1)

Country Link
CN (1) CN104388839B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104967232A (en) * 2015-07-06 2015-10-07 无锡阳工机械制造有限公司 Generator rotor prolonged in service life

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4711677A (en) * 1986-07-18 1987-12-08 The Garrett Corporation High temperature bushing alloy
EP1108800B1 (en) * 1999-12-17 2005-10-05 Toyota Jidosha Kabushiki Kaisha Hard particles, wear resistant iron-based sintered alloy, method of producing wear resistant iron-based sintered alloy, valve seat, and cylinder head
CN101270454A (en) * 2006-03-23 2008-09-24 株式会社日立制作所 Turbine casing
CN101680071A (en) * 2008-01-07 2010-03-24 新日本制铁株式会社 Wear-resistant steel sheet having excellent wear resistant at high temperature and processability upon bending, and method for production thereof
CN102534420A (en) * 2012-03-30 2012-07-04 大连裕龙高速钢有限公司 Low-nickel high performance heat-resistant steel
CN102877002A (en) * 2012-10-24 2013-01-16 章磊 Heat resistant steel for boiler parts and manufacture method of heat resistant steel

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4711677A (en) * 1986-07-18 1987-12-08 The Garrett Corporation High temperature bushing alloy
EP1108800B1 (en) * 1999-12-17 2005-10-05 Toyota Jidosha Kabushiki Kaisha Hard particles, wear resistant iron-based sintered alloy, method of producing wear resistant iron-based sintered alloy, valve seat, and cylinder head
CN101270454A (en) * 2006-03-23 2008-09-24 株式会社日立制作所 Turbine casing
CN101680071A (en) * 2008-01-07 2010-03-24 新日本制铁株式会社 Wear-resistant steel sheet having excellent wear resistant at high temperature and processability upon bending, and method for production thereof
CN102534420A (en) * 2012-03-30 2012-07-04 大连裕龙高速钢有限公司 Low-nickel high performance heat-resistant steel
CN102877002A (en) * 2012-10-24 2013-01-16 章磊 Heat resistant steel for boiler parts and manufacture method of heat resistant steel

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
赵成志: "超临界与超超临界汽轮机耐热钢的研究进展", 《钢铁研究学报》, vol. 19, no. 9, 15 September 2007 (2007-09-15), pages 1 - 5 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104967232A (en) * 2015-07-06 2015-10-07 无锡阳工机械制造有限公司 Generator rotor prolonged in service life

Also Published As

Publication number Publication date
CN104388839B (en) 2017-01-18

Similar Documents

Publication Publication Date Title
CN103740983B (en) High tough corrosion-resistant ageing strengthening type nickel-base alloy and direct aging heat treating method
CN109797341A (en) A kind of yield strength is not less than 345MPa Weather-resistance bridge steel and preparation method thereof
JP6045256B2 (en) High strength, high toughness, high corrosion resistance martensitic stainless steel
WO2012018239A3 (en) High carbon chromium bearing steel, and preparation method thereof
CN103160710A (en) Nickel base alloy and preparation method thereof
CN105345311B (en) The high anti-corrosion welding rod of rail freight
JP2023530808A (en) Heat-resistant steel for steel pipes and castings
CN104532140A (en) Steel for bearing ring of large-size shield tunneling machine and heat treatment method thereof
CN106191701A (en) A kind of heat-resisting steel material as turbine blade and preparation method thereof
CN101781741A (en) Nickel-saving alloy material for gas valve
CN100482840C (en) Nickel-base high-temperature alloy material for guide roller and heat treatment process thereof
CN105397332A (en) Highly corrosion resistant flux-cored wire for railway freight car
CN104404393A (en) Preparation method of turbine rotor alloy
CN104404391A (en) Preparation method of turbine rotor alloy
CN104388839B (en) Alloy for steam turbine rotor
CN102534419A (en) Super-martensitic stainless steel and preparation method thereof
CN105177455A (en) 2400MPa-grade high-alloy ultrahigh-strength steel
WO2015163226A1 (en) Turbine rotor material for geothermal power generation and method for manufacturing same
CN104404392A (en) Turbine rotor alloy
CN104227214B (en) A kind of high sealing gas protection welding process for nuclear power bellows stop valve
CN110284075A (en) The production technology of movable iron core of electromagnetic valve
CN104946998A (en) High-strength alloy steel
CN107971653A (en) One kind is without bismuth stainless flux-cored wire
CN105002442A (en) High-performance steel material
CN102337456A (en) Thick bridge steel plate and rolling method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20161223

Address after: A 322221 area in Zhejiang County of Pujiang Province before the Wu Ling Xiangtang Golden Village No. 4

Applicant after: Jin Zhaoyu

Address before: 214000 Jiangsu city in Wuxi Province Economic Development Zone Huishan Spring Road No. 588

Applicant before: Wuxi Yanggong Machinery Manufacturing Co., Ltd.

TA01 Transfer of patent application right
C14 Grant of patent or utility model
C41 Transfer of patent application or patent right or utility model
CB03 Change of inventor or designer information

Inventor after: Jin Zhaoyu

Inventor before: Yang Longxing

COR Change of bibliographic data
GR01 Patent grant
TA01 Transfer of patent application right

Effective date of registration: 20161226

Address after: A 322221 area in Zhejiang County of Pujiang Province before the Wu Ling Xiangtang Golden Village No. 4

Applicant after: Jin Zhaoyu

Address before: 214000 Jiangsu city in Wuxi Province Economic Development Zone Huishan Spring Road No. 588

Applicant before: Wuxi Yanggong Machinery Manufacturing Co., Ltd.

CB03 Change of inventor or designer information

Inventor after: Huang Xiuying

Inventor after: Zhou Hongxuan

Inventor after: Peng Lijuan

Inventor before: Jin Zhaoyu

TR01 Transfer of patent right

Effective date of registration: 20170703

Address after: 510507 Guangdong city of Guangzhou province Tianhe District Yanling Road No. 89, room 2110

Co-patentee after: Zhou Hongxuan

Patentee after: Huang Xiuying

Co-patentee after: Peng Lijuan

Address before: A 322221 area in Zhejiang County of Pujiang Province before the Wu Ling Xiangtang Golden Village No. 4

Patentee before: Jin Zhaoyu

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20171121

Address after: 510000 building 143, Wanfu Road, Dongshan District, Guangdong, Guangzhou, two

Patentee after: Luo Xiaohua

Address before: 510507 Guangdong city of Guangzhou province Tianhe District Yanling Road No. 89, room 2110

Co-patentee before: Zhou Hongxuan

Patentee before: Huang Xiuying

Co-patentee before: Peng Lijuan

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20201223

Address after: 277000 east of Shugang Road, west of Zhuqiao 2nd Road, north of Changzhuang 2nd Road, economic development zone, Xuecheng District, Zaozhuang City, Shandong Province

Patentee after: Shandong othea Jianyang carbon black Co.,Ltd.

Address before: 510000 two, Wanfu Road, Dongshan District, Guangzhou, Guangdong, two

Patentee before: Luo Xiaohua