EP2547804B1 - Alliage de nickel-chrome-cobalt-molybdenum - Google Patents

Alliage de nickel-chrome-cobalt-molybdenum Download PDF

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Publication number
EP2547804B1
EP2547804B1 EP11715651.3A EP11715651A EP2547804B1 EP 2547804 B1 EP2547804 B1 EP 2547804B1 EP 11715651 A EP11715651 A EP 11715651A EP 2547804 B1 EP2547804 B1 EP 2547804B1
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EP
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Prior art keywords
alloy according
alloy
max
nickel
chromium
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EP11715651.3A
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German (de)
English (en)
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EP2547804A1 (fr
Inventor
Jutta KLÖWER
Jürgen TEWES
Ralf-Udo Husemann
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VDM Metals GmbH
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Outokumpu VDM GmbH
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Priority claimed from DE201010011609 external-priority patent/DE102010011609A1/de
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
    • 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
    • C21D1/26—Methods of annealing
    • C21D1/30—Stress-relieving
    • 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
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/02—Making non-ferrous alloys by melting
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/02—Making non-ferrous alloys by melting
    • C22C1/023—Alloys based on nickel
    • 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
    • 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
    • C22C19/055—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 20% but less than 30%
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/004—Dispersions; Precipitations

Definitions

  • the invention relates to a nickel-chromium-cobalt-molybdenum alloy having excellent strength and creep properties as well as exceptional resistance to high-temperature corrosion.
  • the EP 2 039 789 A1 discloses a nickel base alloy for a turbine rotor for a steam engine including: C 0.01 to 0.15%, Cr 18 to 28%, Co 10 to 15%, Mo 8 to 12%, Al 1.5 to 2%, Ti 0 , 1 to 0.6%, B 0.001 to 0.006%, Ta 0.01 to 0.7%, balance nickel and unavoidable impurities. This composition is said to have increased mechanical strength while retaining forging properties.
  • the alloy consists (in% by weight) of 15 to 30% chromium, 6 to 12% molybdenum, 5 to 20% cobalt, 0.5 to 3% aluminum, up to 5% titanium, 0.04 to 0.15% Carbon, up to 0.02% boron, up to 0.5% zirconium, up to 5% tungsten, up to 2.5% niobium or tantalum, up to 5% iron, up to 0.2% rare earth metals, up to 0.1% nitrogen, up to 1% copper, up to 0.015% sulfur, up to 0.03% phosphorus and up to 0.2% magnesium or calcium, balance except impurities nickel.
  • the alloys can contain up to 2.5% Nb or Ta, these elements compromise cyclic oxidation resistance, which is particularly pronounced with the simultaneous presence of chromium and aluminum.
  • the datasheet " Nicrofer 5520 Co - Alloy 617 "of ThyssenKrupp VDM GmbH from January 2005 is on pages 1 to 12 to take the said material having the following composition Cr 20 to 24% Fe Max. 3% C 0.05 to 0.15% Mn Max. 1 % Si Max. 1 % Co 10 to 15% Cu Max. 0.5% Not a word 8 to 10% Ti Max. 0.6% al 0.8 to 1.5% P Max. 0.012% S Max. 0.015% B Max. 0.006% Ni rest
  • alloys have been used for many decades in practice and are known as "alloy 617". It has been found that components made from such alloys have some tendency to stress cracking in the temperature range of 550 to 850 ° C. This was particularly evident in welded joints thick-walled components. The causes for this are seen as residual stresses in connection with carbide precipitations. This could be partially corrected by a heat treatment lasting several hours at about 1,000 ° C, with a Such heat treatment could not be performed in some cases or only with great difficulty.
  • the invention has for its object to improve this known and proven alloy by targeted modification of individual alloying elements so that the disadvantages are no longer given.
  • the Mn content is advantageously ⁇ 0.3%.
  • the alloy may contain as further element W in amounts between 0.02 and 2%.
  • the vanadium content in the alloy according to the invention is set between 0.005 and ⁇ 0.6%.
  • the alloy according to the invention may be subjected to a heat treatment in the temperature range between 800 and 1000 ° C., preferably at 980 ° C., in order to increase the ductility and to remove stresses.
  • the proportion of carbides should advantageously be> 0.9%.
  • the subject invention provides a high temperature alloy for operating temperatures between 500 and 1200 ° C.
  • the alloy according to the invention can be used both in the form of pipes, sheets, wire, rods, forgings or castings and strips, as well as for welded constructions.
  • Preferred fields of application are gas turbines, the Furnace and power plant construction, the petrochemical industry as well as the field of nuclear energy technology
  • Table 1 compares a prior art alloy 5 with variants V1 to V5 according to the invention.
  • Table 2 compares prior art alloys and five inventive variants V1 to V5 with respect to the dissolution behavior of the carbides.
  • Table 2 variant Lsg.Glüh temp. solvus Nb V Not a word Primary carbide M6C Cr carbide % By weight % By weight % By weight ° C ° C State of the art 0 0 8 - 10 1250-1290 990-1000 V1 0.55 ⁇ 0.01 8.4 1237 1096 V2 0.5 0.18 8.4 1207 1153 V3 ⁇ 0, 01 0.18 8.4 1228 1133 V4 ⁇ 0, 01 0.6 8.4 1214 1182 V5 ⁇ 0.01 ⁇ 0.01 9.5 1290 839
  • Table 3 compares a prior art alloy and 5 inventive variants V1 to V5 with respect to ductility (SSRT experiment at 700 ° C.).

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Child & Adolescent Psychology (AREA)
  • Health & Medical Sciences (AREA)
  • Heat Treatment Of Steel (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Heat Treatment Of Articles (AREA)

Claims (11)

  1. Alliage nickel-chrome-cobalt-molybdène, composé de (en % en poids): Cr 21 - 23 % Fe 0,05 - 1,5 % C 0,05 - 0,08 % Mn ≤ 0,5 % Si ≤ 0,25 % Co 11 - 13 % Cu ≤ 0,15 % Mo 8,0 - 10,0 % Ti 0,3 - 0,5 % Al 0,8 - 1,3 % P < 0,012 % S < 0,008 % B > 0,002 - < 0,006 % Nb > 0 - 1 % N ≤ 0,015 % Mg ≤ 0,025 % Ca ≤ 0,01 % V 0,005 - ≤ 0,6 %,
    sélectivement des teneurs en W comprises entre 0,2 - max. 2 %,
    le reste étant du Ni ainsi que des impuretés dépendant de l'élaboration,
    sous forme de tuyaux, de tôles, de fil de fer, de bandes ou de pièces forgées, l'alliage satisfaisant à la formule suivante :
    X3 = 5 - 50, dans lequel
    X ⁢ 3 = 100 * X ⁢ 1 X ⁢ 2
    Figure imgb0005
    et X1 = C + 5 N
    et X2 = 0,5 Ti + Nb + 0,5 V.
  2. Alliage selon la revendication 1, comprenant (en % en poids) :
    B > 0,002 - < 0,005 %.
  3. Alliage selon la revendication 1 ou la revendication 2, comprenant (en % en poids) :
    Mn ≤ 0,3 %.
  4. Alliage selon l'une des revendications 1 à 3, caractérisé en ce que la proportion de carbures est > 0,9 %.
  5. Utilisation de l'alliage selon l'une des revendications 1 à 4 en tant que pièces forgées pour des composants dans les turbines à gaz et à vapeur.
  6. Utilisation de l'alliage selon l'une des revendications 1 à 4 en tant que constructions soudées destinées aux turbines à gaz et à vapeur.
  7. Utilisation de l'alliage selon l'une des revendications 1 à 4 en tant que composants de chaudières destinés aux centrales électriques de la technique d'énergie.
  8. Utilisation de l'alliage selon l'une des revendications 1 à 4 dans la construction de fours et de centrales électriques.
  9. Utilisation de l'alliage selon l'une des revendications 1 à 4 dans l'industrie pétrochimique ainsi que dans le domaine de la technique d'énergie nucléaire.
  10. Utilisation de l'alliage selon l'une des revendications 1 à 4 en tant que pièces coulées utilisables pour les turbines à gaz et à vapeur ainsi que dans la construction de fours et de centrales électriques.
  11. Utilisation selon revendication 10 en tant que pièces de construction moulées par coulée centrifuge.
EP11715651.3A 2010-03-16 2011-03-15 Alliage de nickel-chrome-cobalt-molybdenum Active EP2547804B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE201010011609 DE102010011609A1 (de) 2010-03-16 2010-03-16 Nickel-Chrom-Kobalt-Molybdän-Legierung
DE102011013091A DE102011013091A1 (de) 2010-03-16 2011-03-04 Nickel-Chrom-Kobalt-Molybdän-Legierung
PCT/DE2011/000259 WO2011113419A1 (fr) 2010-03-16 2011-03-15 Alliage de nickel-chrome-cobalt-molybdène

Publications (2)

Publication Number Publication Date
EP2547804A1 EP2547804A1 (fr) 2013-01-23
EP2547804B1 true EP2547804B1 (fr) 2014-01-22

Family

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Family Applications (1)

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EP11715651.3A Active EP2547804B1 (fr) 2010-03-16 2011-03-15 Alliage de nickel-chrome-cobalt-molybdenum

Country Status (6)

Country Link
US (1) US9011764B2 (fr)
EP (1) EP2547804B1 (fr)
KR (1) KR101527955B1 (fr)
CN (1) CN103080346B (fr)
DE (1) DE102011013091A1 (fr)
WO (1) WO2011113419A1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5998963B2 (ja) * 2013-01-31 2016-09-28 新日鐵住金株式会社 Ｎｉ基耐熱合金部材
CN103614593B (zh) * 2013-12-09 2016-01-20 钢铁研究总院 一种具有良好热加工性的耐热合金及其制备方法
CN103667799B (zh) * 2013-12-12 2015-11-25 四川六合锻造股份有限公司 高温合金材料及其制备方法
DE102014001329B4 (de) * 2014-02-04 2016-04-28 VDM Metals GmbH Verwendung einer aushärtenden Nickel-Chrom-Titan-Aluminium-Legierung mit guter Verschleißbeständigkeit, Kriechfestigkeit, Korrosionsbeständigkeit und Verarbeitbarkeit
DE102014001330B4 (de) 2014-02-04 2016-05-12 VDM Metals GmbH Aushärtende Nickel-Chrom-Kobalt-Titan-Aluminium-Legierung mit guter Verschleißbeständigkeit, Kriechfestigkeit, Korrosionsbeständigkeit und Verarbeitbarkeit
US10297762B2 (en) * 2014-07-09 2019-05-21 Universal Display Corporation Organic electroluminescent materials and devices
CN104498774B (zh) * 2015-01-20 2016-11-30 中国人民解放军装甲兵工程学院 一种灰铸铁激光熔覆修复用合金粉末及其制备方法
CN105333236B (zh) * 2015-11-10 2017-06-23 湖州高林不锈钢管制造有限公司 一种耐高温合金无缝管的制造方法
DE102017007106B4 (de) * 2017-07-28 2020-03-26 Vdm Metals International Gmbh Hochtemperatur-Nickelbasislegierung
DE102020116865A1 (de) 2019-07-05 2021-01-07 Vdm Metals International Gmbh Nickel-Basislegierung für Pulver und Verfahren zur Herstellung eines Pulvers
CN111636013A (zh) * 2020-06-12 2020-09-08 江苏银环精密钢管有限公司 一种新型电站用镍铬钴钼高温合金无缝管及制造方法
CN115772617B (zh) * 2021-09-07 2023-12-15 中国石油天然气集团有限公司 一种用于井下复杂环境的镍基合金连续油管及制造方法
CN117535559B (zh) * 2024-01-10 2024-05-07 北京北冶功能材料有限公司 一种低密度镍基高温合金箔材及其制备方法与应用
CN117587297B (zh) * 2024-01-19 2024-05-07 北京北冶功能材料有限公司 一种焊接性能优异的镍基高温合金箔材及其制备方法与应用

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DE10052023C1 (de) 2000-10-20 2002-05-16 Krupp Vdm Gmbh Austenitische Nickel-Chrom-Cobalt-Molybdän-Wolfram-Legierung und deren Verwendung
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Also Published As

Publication number Publication date
CN103080346B (zh) 2015-11-18
EP2547804A1 (fr) 2013-01-23
US9011764B2 (en) 2015-04-21
WO2011113419A1 (fr) 2011-09-22
KR20120136362A (ko) 2012-12-18
KR101527955B1 (ko) 2015-06-10
CN103080346A (zh) 2013-05-01
DE102011013091A1 (de) 2011-12-22
US20130011295A1 (en) 2013-01-10

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