KR100290653B1 - 650℃급 증기터빈 로터용15Cr 26Ni 1.25Mo 내열강 - Google Patents
650℃급 증기터빈 로터용15Cr 26Ni 1.25Mo 내열강 Download PDFInfo
- Publication number
- KR100290653B1 KR100290653B1 KR1019980043304A KR19980043304A KR100290653B1 KR 100290653 B1 KR100290653 B1 KR 100290653B1 KR 1019980043304 A KR1019980043304 A KR 1019980043304A KR 19980043304 A KR19980043304 A KR 19980043304A KR 100290653 B1 KR100290653 B1 KR 100290653B1
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- KR
- South Korea
- Prior art keywords
- weight
- steam turbine
- turbine rotor
- less
- heat resistant
- Prior art date
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- 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
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- 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
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- 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
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- 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
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
-
- 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
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
-
- 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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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- 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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- 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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
Abstract
Description
Claims (1)
- 탄소 0.04중량%이하, 규소 0.1내지 0.15중량%, 망간 1.0중량%이하, 니켈 24.0내지 27.0중량%, 크롬 13.5내지 16.0중량%, 몰리브덴 0.5내지 1.0중량%, 바나듐 0.01내지 0.4중량%, 티타늄 0.9내지 1.4중량%, 탄탈륨 1.0내지 1.5중량%, 알루미늄 0.15내지 0.25중량%, 보론 0.004내지 0.005중량%, 질소 0.005중량%이하, 유황 0.010중량%이하, 산소 0.004중량%이하, 인 0.020중량%와 나머지의 철을 포함하여 구성됨을 특징으로 하는 650℃급 증기터빈 로터용 15Cr26Ni1.25Mo 내열강.제 1 항에 있어서, 상기 불순물은 유황 0.010중량%이하, 산소 0.004중량%이하, 인 0.020중량%로 구성됨을 특징으로 하는 650℃급 증기터빈 로터용 15Cr26Ni1.25Mo 내열강.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980043304A KR100290653B1 (ko) | 1998-10-16 | 1998-10-16 | 650℃급 증기터빈 로터용15Cr 26Ni 1.25Mo 내열강 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980043304A KR100290653B1 (ko) | 1998-10-16 | 1998-10-16 | 650℃급 증기터빈 로터용15Cr 26Ni 1.25Mo 내열강 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000025972A KR20000025972A (ko) | 2000-05-06 |
KR100290653B1 true KR100290653B1 (ko) | 2001-06-01 |
Family
ID=19554238
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1019980043304A KR100290653B1 (ko) | 1998-10-16 | 1998-10-16 | 650℃급 증기터빈 로터용15Cr 26Ni 1.25Mo 내열강 |
Country Status (1)
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KR (1) | KR100290653B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20200126228A (ko) | 2019-04-29 | 2020-11-06 | 이진아 | 마그네트를 이용한 골프퍼팅 연습기 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6473058A (en) * | 1987-09-14 | 1989-03-17 | Mitsubishi Heavy Ind Ltd | Extra-high-temperature and-pressure steam turbine rotor |
-
1998
- 1998-10-16 KR KR1019980043304A patent/KR100290653B1/ko not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6473058A (en) * | 1987-09-14 | 1989-03-17 | Mitsubishi Heavy Ind Ltd | Extra-high-temperature and-pressure steam turbine rotor |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20200126228A (ko) | 2019-04-29 | 2020-11-06 | 이진아 | 마그네트를 이용한 골프퍼팅 연습기 |
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Publication number | Publication date |
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KR20000025972A (ko) | 2000-05-06 |
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