US3061426A - Creep resistant alloy - Google Patents
Creep resistant alloy Download PDFInfo
- Publication number
- US3061426A US3061426A US6001A US600160A US3061426A US 3061426 A US3061426 A US 3061426A US 6001 A US6001 A US 6001A US 600160 A US600160 A US 600160A US 3061426 A US3061426 A US 3061426A
- Authority
- US
- United States
- Prior art keywords
- alloys
- alloy
- rupture
- titanium
- carbon
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/056—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 10% but less than 20%
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
Definitions
- the present invention relates to strong heatand corrosion-resistant alloys and, more particularly, to strong, heatand corrosion-resistant nickel-chromium-cobalt alloys.
- Another object of the invention is to provide a novel heat-resistant article having substantially enhanced characteristics at temperatures in excess of about 1700 F.
- the invention also contemplates providing a novel turbine structure having substantially enhanced characteristics at temperatures in excess of about 1700" F.
- FIGURE is a graph relating stress and a parameter commonly known as the Larson-Miller parameter.
- the present invention contemplates novel nickel-chromiurn-cobalt alloys and articles, structures, etc., made therefrom having substantially enhanced characteristics at elevated temperatures, and, particularly when subjected to temperatures in excess of about 1700 F comprising about 6% to about 12% chromium, about to about 30% cobalt, about 1% to about 8% molybdenum, about 0.2% to about 2% vanadium, about 4% to about 9% aluminum, about 0.5% to about 6.5% titanium, about 8% to about 12% aluminum plus titanium, about 0.001% to about 0.1% boron, about 0.01% to about 0.25% zirconium, about 0.01% to about 0.5% carbon, with the balance being essentially nickel.
- balance essentially is used to include in addition to nickel in the balance of the alloy, small amounts of impurities such as sulfur, phosphorous, etc., and incidental elements such as niobium, tantalum, manganese, silicon, copper, iron, etc., in amounts which do not adversely affect the novel advantageous characteristics of nitecl States Patent ice the alloy.
- the novel alloys of the present invention can contain up to about 5% niobium, up to about 2% copper, up to about 1% silicon, up to about 2% manganese, up to about 0.2% calcium, up toabout 4% tantalum and up to about 10% iron and more advantageously, up to about 2% iron
- the alloys of the present invention exhibit excellent lives to rupture at elevated temperatures, for example, up to at least about hours lifewhen tested under a load of 35,000 pounds per-square inch (p.s.i.) at 1700 F. in combination with a reasonable amount of ductility, for example, at least about 4% elongation under the aforestated conditions.
- the alloys can be used in the as-cast condition but can advantageously be treated by heating for about /2 to about 4 hours at a temperature of about 2100 F. to about 2200 F. under an inert atmosphere such as helium, argon, etc. The alloys are then cooled rather rapidly to a temperature below about 1700 F. while maintaining them in an inert atmosphere.
- the alloys and articles made therefrom may be aged in service or may be aged byheating for about 1 to about 20 hours at temperatures of about 1400 F. to about 1700 F. It is characteristic of the alloys of the present invention that they can be readily cast and that they give excellent mold reproduction making them especially suited for use in the precision casting process.
- alloys in accordance with the invention are usually melted from either "a calculated charge or from remelt stock under an inert atmosphere (including vacuum) and are cast at temperatures between about 2500 F. and about 3100 F. into molds preheated to about 1000 F. to about 1800 F. If melted at atmospheric pressure a final treatment with calcium silicide prior to casting is advantageous. When produced in this manner, alloys in accordance with the invention may be subjected in use under oxidizing conditions to temperatures up to about 2100 F.
- Alloy No. A is representative of the best commercial alloys of the prior art. Alloys set forth in Table II were produced in various conditions as set forth in Table III and were stress-rupture tested under the conditions set forth in Table IV.
- A.M. Melted at atmospheric pressure under argon.
- V.M. Melted under vacuum.
- the alloys of the present invention exhibit, in addition to high strength at elevated temperatures, good resistance to thermal shock.
- the alloys of the present invention withstand many thousand cycles without failure. For example, one alloy in accordance with the present invention withstood 5850 cycles prior to failure as indicated by the formation of the first crack 0.125 inch in length. Under same conditions prior art alloys in commercial use fail in one to two thousand cycles.
- C a constant having a value of 25.
- alloys of the present invention also exhibit excellent short-time tensile characteristics at temperatures ranging from room temperature up to and including 1800 F.
- Short-time tensile characteristics measured on the short-time high temperature test scale for alloy No. 1 as set forth in Table II are presented in Table VII.
- T l VII 0.01% to about 0.25% zirconium, about 0.01% to about 0.5% carbon with the balance being essentially nickel.
- An alloy for use as castings and characterized by p r are S 152%,? percent 133; having a life to rupture of at least about 100 hours when 5 exposed at a temperature of 1700 F. to a load of 35,000 Room temp 115,000 135,750 10.3 13.1 pounds per square inch containing about 8% to about 39%; igj 2: 31% "151; 12% chromium, about 10% to about cobalt, about $882?
- Each of the aforementioned alloys Nos. 10 to 13 which 3. An alloy for use as castings and characterized by were vacuum melted and heat treated at 215 0 F. for 2 having a life to rupture of at least about 100 hours when hours and then cooled, exhibited a 100 hour rupture life exposed at a temperature of 1700 F. to a load of 35,000 under the specific stress-temperature conditions as set forth pounds per square inch containing about 8% to about in Table IX.
- novel alloys of the present invention oxldlzl-ng atmosphere contammg about 6% to about 12% chromium, about 5% to about 30% cobalt, about 1% to gay also be used as extruslon d1es, valves, valve seats, about 8% molybdenum, about 8% to about 12% minum plus titanium, about 4% to about 9% aluminum, f gggggg g g f g gfi fjg if;$ 5233 about 0.5% to about 6.5% titanium, about 0.2% to about stood that modifications and variationshnay be restored 5O 2% Vanadlum about F about 01% g about to without departing from the spirit and scope of the in- 001% to about 9 Zirconium t to 0 vention, as those skilled in the art will readily understand.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO102807D NO102807L (fr) | 1960-02-01 | ||
IT644011D IT644011A (fr) | 1960-02-01 | ||
BE599751D BE599751A (fr) | 1960-02-01 | ||
NL260545D NL260545A (fr) | 1960-02-01 | ||
US6001A US3061426A (en) | 1960-02-01 | 1960-02-01 | Creep resistant alloy |
DEM47782A DE1238672B (de) | 1960-02-01 | 1961-01-25 | Verwendung einer Nickel-Kobalt-Chrom-Legierung fuer bei hohen Temperaturen kriechfeste Gussstuecke |
GB2956/61A GB920551A (en) | 1960-02-01 | 1961-01-25 | Creep resistant alloys |
FR851157A FR1280924A (fr) | 1960-02-01 | 1961-01-30 | Alliages résistant au fluage |
CH113261A CH403307A (fr) | 1960-02-01 | 1961-01-31 | Alliage pour moulage |
SE101561A SE208441C1 (fr) | 1960-02-01 | 1961-02-01 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US6001A US3061426A (en) | 1960-02-01 | 1960-02-01 | Creep resistant alloy |
Publications (1)
Publication Number | Publication Date |
---|---|
US3061426A true US3061426A (en) | 1962-10-30 |
Family
ID=21718784
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US6001A Expired - Lifetime US3061426A (en) | 1960-02-01 | 1960-02-01 | Creep resistant alloy |
Country Status (10)
Country | Link |
---|---|
US (1) | US3061426A (fr) |
BE (1) | BE599751A (fr) |
CH (1) | CH403307A (fr) |
DE (1) | DE1238672B (fr) |
FR (1) | FR1280924A (fr) |
GB (1) | GB920551A (fr) |
IT (1) | IT644011A (fr) |
NL (1) | NL260545A (fr) |
NO (1) | NO102807L (fr) |
SE (1) | SE208441C1 (fr) |
Cited By (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3343950A (en) * | 1963-12-23 | 1967-09-26 | Int Nickel Co | Nickel-chromium alloys useful in the production of wrought articles for high temperature application |
US3368888A (en) * | 1963-07-19 | 1968-02-13 | Fed Republic Of Germany | Nickel base alloy |
US3411898A (en) * | 1966-03-25 | 1968-11-19 | Union Carbide Corp | Nickel base alloy |
US3642469A (en) * | 1969-08-29 | 1972-02-15 | Gen Electric | High-stability nickel base alloy |
US3869284A (en) * | 1973-04-02 | 1975-03-04 | French Baldwin J | High temperature alloys |
USRE28681E (en) * | 1973-04-02 | 1976-01-13 | High temperature alloys | |
USRE29920E (en) * | 1975-07-29 | 1979-02-27 | High temperature alloys | |
FR2478129A1 (fr) * | 1980-03-13 | 1981-09-18 | Rolls Royce | Alliage pour moulages monocristallins et pieces moulee faite d'un tel alliage |
US4624716A (en) * | 1982-12-13 | 1986-11-25 | Armco Inc. | Method of treating a nickel base alloy |
US4685977A (en) * | 1984-12-03 | 1987-08-11 | General Electric Company | Fatigue-resistant nickel-base superalloys and method |
US4983233A (en) * | 1989-01-03 | 1991-01-08 | General Electric Company | Fatigue crack resistant nickel base superalloys and product formed |
US5055147A (en) * | 1988-12-29 | 1991-10-08 | General Electric Company | Fatigue crack resistant rene' 95 type superalloy |
US5130086A (en) * | 1987-07-31 | 1992-07-14 | General Electric Company | Fatigue crack resistant nickel base superalloys |
US5130089A (en) * | 1988-12-29 | 1992-07-14 | General Electric Company | Fatigue crack resistant nickel base superalloy |
US5129971A (en) * | 1988-09-26 | 1992-07-14 | General Electric Company | Fatigue crack resistant waspoloy nickel base superalloys and product formed |
US5130088A (en) * | 1987-10-02 | 1992-07-14 | General Electric Company | Fatigue crack resistant nickel base superalloys |
US5129968A (en) * | 1988-09-28 | 1992-07-14 | General Electric Company | Fatigue crack resistant nickel base superalloys and product formed |
US5129969A (en) * | 1988-09-28 | 1992-07-14 | General Electric Company | Method of forming in100 fatigue crack resistant nickel base superalloys and product formed |
US5129970A (en) * | 1988-09-26 | 1992-07-14 | General Electric Company | Method of forming fatigue crack resistant nickel base superalloys and product formed |
US5143563A (en) * | 1989-10-04 | 1992-09-01 | General Electric Company | Creep, stress rupture and hold-time fatigue crack resistant alloys |
US5156808A (en) * | 1988-09-26 | 1992-10-20 | General Electric Company | Fatigue crack-resistant nickel base superalloy composition |
US5171380A (en) * | 1987-07-31 | 1992-12-15 | General Electric Company | Method of forming fatigue crack resistant Rene' 95 type nickel base superalloys and product formed |
DE4412031A1 (de) * | 1993-04-07 | 1994-10-13 | Aluminum Co Of America | Verfahren zur Herstellung von Schmiedeteilen aus Nickellegierungen |
US5374323A (en) * | 1991-08-26 | 1994-12-20 | Aluminum Company Of America | Nickel base alloy forged parts |
US5476555A (en) * | 1992-08-31 | 1995-12-19 | Sps Technologies, Inc. | Nickel-cobalt based alloys |
US6521175B1 (en) | 1998-02-09 | 2003-02-18 | General Electric Co. | Superalloy optimized for high-temperature performance in high-pressure turbine disks |
US6974508B1 (en) | 2002-10-29 | 2005-12-13 | The United States Of America As Represented By The United States National Aeronautics And Space Administration | Nickel base superalloy turbine disk |
EP1710322A1 (fr) | 2005-03-30 | 2006-10-11 | United Technologies Corporation | Composition de superalliage à base de nickel, article, et procédé de fabrication |
EP1927669A1 (fr) | 2006-12-01 | 2008-06-04 | Industria de Turbo Propulsores S.A. | Superalliages monocristallins solidifiés directionnellement à faible densité |
EP2628811A1 (fr) | 2012-02-14 | 2013-08-21 | United Technologies Corporation | Compositions de superalliage, articles et procédés de fabrication |
EP2628810A1 (fr) | 2012-02-14 | 2013-08-21 | United Technologies Corporation | Compositions de superalliage, articles et procédés de fabrication |
JP2015101753A (ja) * | 2013-11-25 | 2015-06-04 | 株式会社Ihi | ニッケル基合金 |
WO2017189208A1 (fr) | 2016-04-27 | 2017-11-02 | Siemens Energy, Inc. | Aube de turbine à gaz à paroi de pointe ondulée |
US10793934B2 (en) | 2017-05-02 | 2020-10-06 | United Technologies Corporation | Composition and method for enhanced precipitation hardened superalloys |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1367661A (en) * | 1971-04-07 | 1974-09-18 | Int Nickel Ltd | Nickel-chromium-cobalt alloys |
US4053308A (en) * | 1974-12-24 | 1977-10-11 | Howmedica, Inc. | Nonprecious alloy for fusion to porcelain |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2912323A (en) * | 1957-09-16 | 1959-11-10 | Int Nickel Co | Cast nickel base alloy for high temperature service |
US2920956A (en) * | 1956-10-08 | 1960-01-12 | Universal Cyclops Steel Corp | Method of preparing high temperature alloys |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB583807A (en) * | 1943-06-30 | 1946-12-31 | Harold Ernest Gresham | Nickel base alloy |
FR1071278A (fr) * | 1951-12-05 | 1954-08-30 | Mond Nickel Co Ltd | Perfectionnements aux alliages résistant à la chaleur et objets et pièces fabriqués à partir desdits alliages |
-
0
- NL NL260545D patent/NL260545A/xx unknown
- IT IT644011D patent/IT644011A/it unknown
- NO NO102807D patent/NO102807L/no unknown
- BE BE599751D patent/BE599751A/xx unknown
-
1960
- 1960-02-01 US US6001A patent/US3061426A/en not_active Expired - Lifetime
-
1961
- 1961-01-25 DE DEM47782A patent/DE1238672B/de active Pending
- 1961-01-25 GB GB2956/61A patent/GB920551A/en not_active Expired
- 1961-01-30 FR FR851157A patent/FR1280924A/fr not_active Expired
- 1961-01-31 CH CH113261A patent/CH403307A/fr unknown
- 1961-02-01 SE SE101561A patent/SE208441C1/xx unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2920956A (en) * | 1956-10-08 | 1960-01-12 | Universal Cyclops Steel Corp | Method of preparing high temperature alloys |
US2912323A (en) * | 1957-09-16 | 1959-11-10 | Int Nickel Co | Cast nickel base alloy for high temperature service |
Cited By (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3368888A (en) * | 1963-07-19 | 1968-02-13 | Fed Republic Of Germany | Nickel base alloy |
US3343950A (en) * | 1963-12-23 | 1967-09-26 | Int Nickel Co | Nickel-chromium alloys useful in the production of wrought articles for high temperature application |
US3411898A (en) * | 1966-03-25 | 1968-11-19 | Union Carbide Corp | Nickel base alloy |
US3642469A (en) * | 1969-08-29 | 1972-02-15 | Gen Electric | High-stability nickel base alloy |
US3869284A (en) * | 1973-04-02 | 1975-03-04 | French Baldwin J | High temperature alloys |
USRE28681E (en) * | 1973-04-02 | 1976-01-13 | High temperature alloys | |
USRE29920E (en) * | 1975-07-29 | 1979-02-27 | High temperature alloys | |
FR2478129A1 (fr) * | 1980-03-13 | 1981-09-18 | Rolls Royce | Alliage pour moulages monocristallins et pieces moulee faite d'un tel alliage |
US4624716A (en) * | 1982-12-13 | 1986-11-25 | Armco Inc. | Method of treating a nickel base alloy |
US4685977A (en) * | 1984-12-03 | 1987-08-11 | General Electric Company | Fatigue-resistant nickel-base superalloys and method |
US5171380A (en) * | 1987-07-31 | 1992-12-15 | General Electric Company | Method of forming fatigue crack resistant Rene' 95 type nickel base superalloys and product formed |
US5130086A (en) * | 1987-07-31 | 1992-07-14 | General Electric Company | Fatigue crack resistant nickel base superalloys |
US5130088A (en) * | 1987-10-02 | 1992-07-14 | General Electric Company | Fatigue crack resistant nickel base superalloys |
US5156808A (en) * | 1988-09-26 | 1992-10-20 | General Electric Company | Fatigue crack-resistant nickel base superalloy composition |
US5129970A (en) * | 1988-09-26 | 1992-07-14 | General Electric Company | Method of forming fatigue crack resistant nickel base superalloys and product formed |
US5129971A (en) * | 1988-09-26 | 1992-07-14 | General Electric Company | Fatigue crack resistant waspoloy nickel base superalloys and product formed |
US5129969A (en) * | 1988-09-28 | 1992-07-14 | General Electric Company | Method of forming in100 fatigue crack resistant nickel base superalloys and product formed |
US5129968A (en) * | 1988-09-28 | 1992-07-14 | General Electric Company | Fatigue crack resistant nickel base superalloys and product formed |
US5055147A (en) * | 1988-12-29 | 1991-10-08 | General Electric Company | Fatigue crack resistant rene' 95 type superalloy |
US5130089A (en) * | 1988-12-29 | 1992-07-14 | General Electric Company | Fatigue crack resistant nickel base superalloy |
US5130087A (en) * | 1989-01-03 | 1992-07-14 | General Electric Company | Fatigue crack resistant nickel base superalloys |
US4983233A (en) * | 1989-01-03 | 1991-01-08 | General Electric Company | Fatigue crack resistant nickel base superalloys and product formed |
US5143563A (en) * | 1989-10-04 | 1992-09-01 | General Electric Company | Creep, stress rupture and hold-time fatigue crack resistant alloys |
US5360496A (en) * | 1991-08-26 | 1994-11-01 | Aluminum Company Of America | Nickel base alloy forged parts |
US5374323A (en) * | 1991-08-26 | 1994-12-20 | Aluminum Company Of America | Nickel base alloy forged parts |
US5476555A (en) * | 1992-08-31 | 1995-12-19 | Sps Technologies, Inc. | Nickel-cobalt based alloys |
US5637159A (en) * | 1992-08-31 | 1997-06-10 | Sps Technologies, Inc. | Nickel-cobalt based alloys |
US5888316A (en) * | 1992-08-31 | 1999-03-30 | Sps Technologies, Inc. | Nickel-cobalt based alloys |
DE4412031A1 (de) * | 1993-04-07 | 1994-10-13 | Aluminum Co Of America | Verfahren zur Herstellung von Schmiedeteilen aus Nickellegierungen |
US6521175B1 (en) | 1998-02-09 | 2003-02-18 | General Electric Co. | Superalloy optimized for high-temperature performance in high-pressure turbine disks |
US6974508B1 (en) | 2002-10-29 | 2005-12-13 | The United States Of America As Represented By The United States National Aeronautics And Space Administration | Nickel base superalloy turbine disk |
EP1710322A1 (fr) | 2005-03-30 | 2006-10-11 | United Technologies Corporation | Composition de superalliage à base de nickel, article, et procédé de fabrication |
US20100008790A1 (en) * | 2005-03-30 | 2010-01-14 | United Technologies Corporation | Superalloy compositions, articles, and methods of manufacture |
US20100158695A1 (en) * | 2005-03-30 | 2010-06-24 | United Technologies Corporation | Superalloy Compositions, Articles, and Methods of Manufacture |
US8147749B2 (en) | 2005-03-30 | 2012-04-03 | United Technologies Corporation | Superalloy compositions, articles, and methods of manufacture |
EP1927669A1 (fr) | 2006-12-01 | 2008-06-04 | Industria de Turbo Propulsores S.A. | Superalliages monocristallins solidifiés directionnellement à faible densité |
US20080240972A1 (en) * | 2006-12-01 | 2008-10-02 | Industria De Turbo Propulsores, S.A. | Low-density directionally solidified single-crystal superalloys |
EP2628811A1 (fr) | 2012-02-14 | 2013-08-21 | United Technologies Corporation | Compositions de superalliage, articles et procédés de fabrication |
EP2628810A1 (fr) | 2012-02-14 | 2013-08-21 | United Technologies Corporation | Compositions de superalliage, articles et procédés de fabrication |
US9752215B2 (en) | 2012-02-14 | 2017-09-05 | United Technologies Corporation | Superalloy compositions, articles, and methods of manufacture |
US9783873B2 (en) | 2012-02-14 | 2017-10-10 | United Technologies Corporation | Superalloy compositions, articles, and methods of manufacture |
JP2015101753A (ja) * | 2013-11-25 | 2015-06-04 | 株式会社Ihi | ニッケル基合金 |
WO2017189208A1 (fr) | 2016-04-27 | 2017-11-02 | Siemens Energy, Inc. | Aube de turbine à gaz à paroi de pointe ondulée |
US10793934B2 (en) | 2017-05-02 | 2020-10-06 | United Technologies Corporation | Composition and method for enhanced precipitation hardened superalloys |
Also Published As
Publication number | Publication date |
---|---|
FR1280924A (fr) | 1962-01-08 |
SE208441C1 (fr) | 1966-10-25 |
DE1238672B (de) | 1967-04-13 |
BE599751A (fr) | |
CH403307A (fr) | 1965-11-30 |
NL260545A (fr) | |
IT644011A (fr) | |
NO102807L (fr) | |
GB920551A (en) | 1963-03-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3061426A (en) | Creep resistant alloy | |
US3046108A (en) | Age-hardenable nickel alloy | |
US3160500A (en) | Matrix-stiffened alloy | |
US2977222A (en) | Heat-resisting nickel base alloys | |
US2994605A (en) | High temperature alloys | |
US2570194A (en) | Production of high-temperature alloys and articles | |
US3343950A (en) | Nickel-chromium alloys useful in the production of wrought articles for high temperature application | |
US3030206A (en) | High temperature chromiummolybdenum alloy | |
US4288247A (en) | Nickel-base superalloys | |
US2809110A (en) | Alloy for high temperature applications | |
US3151981A (en) | Nickel-chromium-cobalt alloy | |
US3048485A (en) | High strength creep resisting alloy | |
US3378368A (en) | Titanium-base alloys | |
US2766156A (en) | Heat-treatment of nickel-chromiumcobalt alloys | |
US3666453A (en) | Titanium-base alloys | |
US2975051A (en) | Nickel base alloy | |
US3118763A (en) | Cobalt base alloys | |
US3069258A (en) | Nickel-chromium casting alloy with niobides | |
US3107167A (en) | Hot workable nickel base alloy | |
US2780545A (en) | High-temperature alloy | |
US2575915A (en) | Nickel base high-temperature alloy | |
US3540881A (en) | High temperature ferrous alloy containing nickel,chromium and aluminum | |
US3415641A (en) | Wrought nickel base alloy | |
US3314784A (en) | Cobalt-base alloy resistant to thermal shock | |
US2743175A (en) | Precision casting alloy |