JPS5558352A - Mixed pressure type turbine rotor - Google Patents
Mixed pressure type turbine rotorInfo
- Publication number
- JPS5558352A JPS5558352A JP12859878A JP12859878A JPS5558352A JP S5558352 A JPS5558352 A JP S5558352A JP 12859878 A JP12859878 A JP 12859878A JP 12859878 A JP12859878 A JP 12859878A JP S5558352 A JPS5558352 A JP S5558352A
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- turbine rotor
- type turbine
- pressure type
- mixed pressure
- 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
Links
- 229910052804 chromium Inorganic materials 0.000 abstract 3
- 239000011651 chromium Substances 0.000 abstract 3
- 238000006243 chemical reaction Methods 0.000 abstract 2
- 229910052748 manganese Inorganic materials 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 229910052750 molybdenum Inorganic materials 0.000 abstract 2
- 229910052759 nickel Inorganic materials 0.000 abstract 2
- 229910052758 niobium Inorganic materials 0.000 abstract 2
- 229910052757 nitrogen Inorganic materials 0.000 abstract 2
- 229910052710 silicon Inorganic materials 0.000 abstract 2
- 229910052720 vanadium Inorganic materials 0.000 abstract 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract 1
- 229910045601 alloy Inorganic materials 0.000 abstract 1
- 239000000956 alloy Substances 0.000 abstract 1
- 229910001566 austenite Inorganic materials 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 238000005266 casting Methods 0.000 abstract 1
- 230000001747 exhibiting effect Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 229910000734 martensite Inorganic materials 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000005496 tempering Methods 0.000 abstract 1
Landscapes
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
PURPOSE: To provide the title rotor having a specified compsn. of C, Si, Mn, Cr, Mo, V, Ni, Nb, N, etc. and exhibiting superior strength at high and low temps. and superior toughness at low temps.
CONSTITUTION: The rotor is manufactured by melting an element mixt. consisting of, by wt., C 0.05W0.3%, Si≤0.1%, Mn 0.3W1.5%, Cr 9W13%, Mo 0.5W2%, V 0.1W0.5%, Ni 1W2.5%, Nb 0.01W0.5%, N 0.01W0.1%, and the balance Fe, etc. followed by vacuum deoxidation, casting, heating to a predetermined temp., conversion into an austenite structure, tempering and final conversion into a martensite structure. The chromium equivalent of the compsn. represented by the equation is pref. regulated to 11 or below. This alloy is suitable for use as a material for a mixed press. type turbine rotor which is considered to be unsuitable for a conventional rotor material.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12859878A JPS5558352A (en) | 1978-10-20 | 1978-10-20 | Mixed pressure type turbine rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12859878A JPS5558352A (en) | 1978-10-20 | 1978-10-20 | Mixed pressure type turbine rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5558352A true JPS5558352A (en) | 1980-05-01 |
| JPS6151025B2 JPS6151025B2 (en) | 1986-11-07 |
Family
ID=14988723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12859878A Granted JPS5558352A (en) | 1978-10-20 | 1978-10-20 | Mixed pressure type turbine rotor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5558352A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6024353A (en) * | 1983-07-20 | 1985-02-07 | Japan Steel Works Ltd:The | Heat-resistant 12% cr steel |
| CN100494641C (en) | 2003-07-30 | 2009-06-03 | 株式会社东芝 | Steam turbine power plant |
-
1978
- 1978-10-20 JP JP12859878A patent/JPS5558352A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6024353A (en) * | 1983-07-20 | 1985-02-07 | Japan Steel Works Ltd:The | Heat-resistant 12% cr steel |
| CN100494641C (en) | 2003-07-30 | 2009-06-03 | 株式会社东芝 | Steam turbine power plant |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6151025B2 (en) | 1986-11-07 |
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