EP0531775B1 - Hitzebeständige, warmverformbare austenitische Nickel-Legierung - Google Patents

Hitzebeständige, warmverformbare austenitische Nickel-Legierung Download PDF

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Publication number
EP0531775B1
EP0531775B1 EP92114279A EP92114279A EP0531775B1 EP 0531775 B1 EP0531775 B1 EP 0531775B1 EP 92114279 A EP92114279 A EP 92114279A EP 92114279 A EP92114279 A EP 92114279A EP 0531775 B1 EP0531775 B1 EP 0531775B1
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EP
European Patent Office
Prior art keywords
nickel alloy
austenitic nickel
alloy according
production
installations
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
Application number
EP92114279A
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German (de)
English (en)
French (fr)
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EP0531775A1 (de
Inventor
Ulrich Dr.-Ing. Brill
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.)
Krupp VDM GmbH
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Krupp VDM GmbH
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Publication date
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Publication of EP0531775A1 publication Critical patent/EP0531775A1/de
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Anticipated expiration legal-status Critical
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    • 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
    • C22C19/058—Alloys based on nickel or cobalt based on nickel with chromium without Mo and W

Definitions

  • the invention relates to a heat-resistant, thermoformable, austenitic nickel alloy and its use as a material for heat and corrosion-resistant objects.
  • the nickel alloy with the material Mr. 2.4856 was used according to the steel iron list of the Association of German Ironworkers. It consists of (in% by weight) max. 0.10% carbon, max. 0.5% silicon, max. 0.5% manganese, 20-23% chromium, 8-10% molybdenum, 3.15-4.15% niobium, max. 0.4% titanium, max. 0.4% aluminum, balance nickel.
  • this standard alloy shows strong carburizing phenomena under strong carburizing conditions at temperatures above 900 ° C, which are expressed in a significant weight gain through strong carbide deposits and carbon absorption. As a result, the mechanical properties, in particular the long-term strength, are additionally adversely affected. Even under oxidizing / sulfidizing conditions such as in a gas atmosphere made of nitrogen and 10% SO2 at 750 ° C, the standard alloy shows significant damage due to sulfur absorption.
  • the austenitic steel known from EP-PS 0 135 321 (data in% by weight) with max. 0.03% carbon, 20-35% chromium, 17-50% nickel and 2-6% silicon is resistant to, due to its high Si content
  • Corrosion in strongly oxidizing mineral acids, such as nitric acid, is not suitable for use at temperatures above 500 ° C under carburizing, sulfidizing and oxidizing conditions.
  • nickel-chromium alloys which have nickel or nickel + cobalt as a base and with 5-45% Cr, no more than 1% C, no more than 5% Ti, no more than 5% Si and not more than 1% N, Mg, Cu, Ca or rare earth metals are alloyed.
  • nickel alloys are also known, the 10-40% Co, 10-30% Cr, 2-18% Mo, 0.2-8.6% Al and 0.2-4.4% Ti contain. Forged turbine blades, in particular, are produced from the nickel alloys.
  • an austenitic nickel alloy consisting of (data in% by weight) carbon 0.05 to 0.15 silicon 2.5 to 3.0 manganese 0.2 to 0.5 phosphorus Max. 0.015 sulfur Max. 0.005 chrome 25 to 30 iron 20 to 27 aluminum 0.05 to 0.15 Calcium 0.001 to 0.005 Rare earth 0.05 to 0.15 nitrogen 0.05 to 0.20
  • the alloy according to the invention is advantageously suitable as a material for the production of objects which have to be resistant to carburization, sulfidation and oxidation at temperatures in the range from 500 to 1000 ° C., in particular in the case of cyclic loading. It is preferably used as a material for the production of plants for thermal waste disposal or for coal gasification and parts thereof. In particular when it comes to waste disposal in incineration plants, the furnace parts are subjected to high cyclical stresses due to changing temperatures during heating and cooling as well as fluctuations in the exhaust gas composition.
  • the alloy according to the invention can be used without restriction as a material for the production of thermally stressed furnace built-in parts, such as support frames for furnaces, transport rails and conveyor belts be used.
  • Table 1 The actual analyzes of the comparative alloys A and B are listed in Table 1 (data in% by weight) Table 1 Leg. A Leg. B carbon 0.086 0.021 silicon 2.76 0.15 manganese 0.29 0.17 phosphorus 0.011 0.007 sulfur 0.003 0.004 chrome 27.0 22.20 iron 23.3 2.71 aluminum 0.12 0.13 Calcium 0.003 0.003 Rare earth 0.058 --- nitrogen 0.08 0.02 nickel 46.25 63 niobium --- 2.4 molybdenum --- 9.1
  • Figure 1 shows the carburizing behavior of the leg. A compared to Leg. B.
  • the specific mass change in g / m2 over time in hours is shown here.
  • the test temperature was 1000 ° C.
  • the test was carried out cyclically, ie with a cycle time of 24 hours, the holding time at test temperature was 16 hours with a total of 8 hours heating up and cooling down.
  • the Leg according to the invention. A is characterized by a significantly smaller increase in mass compared to the comparative alloy B.
  • Figure 2 This representation corresponds in execution and test execution of the representation in Fig. 1. Only the test medium was nitrogen + 10% SO2 at 750 ° C in this case to test the sulfidation resistance. Leg is superior in this test as well. A versus Leg. B with respect to the mass change.
  • Figure 3 describes the cyclic oxidation behavior of the comparison materials A and B in air at 1000 ° C.
  • the test conditions and the presentation of the results correspond to FIG. 1.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Heat Treatment Of Steel (AREA)
  • Materials For Medical Uses (AREA)
  • Processing Of Solid Wastes (AREA)
  • Resistance Heating (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Laminated Bodies (AREA)
  • Powder Metallurgy (AREA)
EP92114279A 1991-09-11 1992-08-21 Hitzebeständige, warmverformbare austenitische Nickel-Legierung Expired - Lifetime EP0531775B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4130139A DE4130139C1 (uk) 1991-09-11 1991-09-11
DE4130139 1991-09-11

Publications (2)

Publication Number Publication Date
EP0531775A1 EP0531775A1 (de) 1993-03-17
EP0531775B1 true EP0531775B1 (de) 1995-10-18

Family

ID=6440316

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92114279A Expired - Lifetime EP0531775B1 (de) 1991-09-11 1992-08-21 Hitzebeständige, warmverformbare austenitische Nickel-Legierung

Country Status (11)

Country Link
US (1) US5603891A (uk)
EP (1) EP0531775B1 (uk)
JP (1) JPH05320795A (uk)
KR (1) KR0181182B1 (uk)
AT (1) ATE129292T1 (uk)
AU (1) AU647661B2 (uk)
BR (1) BR9203513A (uk)
CA (1) CA2077021C (uk)
DE (2) DE4130139C1 (uk)
ES (1) ES2081007T3 (uk)
ZA (1) ZA926458B (uk)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4411228C2 (de) * 1994-03-31 1996-02-01 Krupp Vdm Gmbh Hochwarmfeste Nickelbasislegierung und Verwendung derselben
DE4422521C1 (de) * 1994-06-28 1995-10-05 Krupp Vdm Gmbh Hochtemperatur-Knetlegierung
US5851318A (en) * 1995-06-09 1998-12-22 Krupp Vdm Gmbh High temperature forgeable alloy
DE19524234C1 (de) * 1995-07-04 1997-08-28 Krupp Vdm Gmbh Knetbare Nickellegierung
JP3354922B2 (ja) * 2000-11-15 2002-12-09 福田金属箔粉工業株式会社 Ｎｉ基耐熱ろう材
ATE432790T1 (de) 2000-12-28 2009-06-15 Brazing Co Ltd Plattenwärmetauscher und verfahren zu seiner herstellung
SE527319C2 (sv) * 2003-10-02 2006-02-07 Sandvik Intellectual Property Legering för högtemperaturanvändning
SE529003E (sv) 2005-07-01 2011-10-11 Sandvik Intellectual Property Ni-Cr-Fe-legering för högtemperaturanvändning
US7754305B2 (en) * 2007-01-04 2010-07-13 Ut-Battelle, Llc High Mn austenitic stainless steel
US7754144B2 (en) * 2007-01-04 2010-07-13 Ut-Battelle, Llc High Nb, Ta, and Al creep- and oxidation-resistant austenitic stainless steel
DE102007005605B4 (de) * 2007-01-31 2010-02-04 Thyssenkrupp Vdm Gmbh Eisen-Nickel-Chrom-Silizium-Legierung
DE102007029400B4 (de) 2007-06-26 2014-05-15 Outokumpu Vdm Gmbh Eisen-Nickel-Chrom-Silizium-Legierung
DE102011077893A1 (de) * 2011-06-21 2012-12-27 Robert Bosch Gmbh Verwendung einer heißgaskorrosionsbeständigen duktilen Legierung
US10174266B2 (en) * 2014-07-28 2019-01-08 Sustainable Waste Power Systems, Inc. Method of synthetic fuel gas production
US10109874B2 (en) * 2016-11-04 2018-10-23 Fuelcell Energy, Inc. Shift reactor for direct fuel cell hydrogen system
US11866809B2 (en) 2021-01-29 2024-01-09 Ut-Battelle, Llc Creep and corrosion-resistant cast alumina-forming alloys for high temperature service in industrial and petrochemical applications
US11479836B2 (en) 2021-01-29 2022-10-25 Ut-Battelle, Llc Low-cost, high-strength, cast creep-resistant alumina-forming alloys for heat-exchangers, supercritical CO2 systems and industrial applications
DE102022110384A1 (de) 2022-04-28 2023-11-02 Vdm Metals International Gmbh Verwendung einer Nickel-Eisen-Chrom-Legierung mit hoher Beständigkeit in hoch korrosiven Umgebungen und gleichzeitig guter Verarbeitbarkeit und Festigkeit
DE102022110383A1 (de) 2022-04-28 2023-11-02 Vdm Metals International Gmbh Verwendung einer Nickel-Eisen-Chrom-Legierung mit hoher Beständigkeit in aufkohlenden und sulfidierenden und chlorierenden Umgebungen und gleichzeitig guter Verarbeitbarkeit und Festigkeit

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB703483A (en) * 1950-12-30 1954-02-03 Rolls Royce Improvements relating to processes of manufacturing parts from heat resisting alloys
GB734210A (en) * 1952-12-09 1955-07-27 Rolls Royce Improvements relating to processes of manufacturing turbine blades from heat-resisting alloys
BE790197Q (fr) * 1970-03-23 1973-02-15 Pompey Acieries Alliage refractaire a base de fer resistant aux temperatures elevees eta la recarburation
US3926620A (en) * 1970-07-14 1975-12-16 Sumitomo Metal Ind Low carbon ni-cr alloy steel having an improved resistance to stress corrosion cracking
US4099966A (en) * 1976-12-02 1978-07-11 Allegheny Ludlum Industries, Inc. Austenitic stainless steel
JPS5929104B2 (ja) * 1980-05-20 1984-07-18 愛知製鋼株式会社 熱間加工性、耐酸化性のすぐれたオ−ステナイト系耐熱鋼
US4388125A (en) * 1981-01-13 1983-06-14 The International Nickel Company, Inc. Carburization resistant high temperature alloy
JPS6033345A (ja) * 1983-08-05 1985-02-20 Sumitomo Metal Ind Ltd 耐硝酸性オ−ステナイトステンレス鋼
US4840768A (en) * 1988-11-14 1989-06-20 The Babcock & Wilcox Company Austenitic Fe-Cr-Ni alloy designed for oil country tubular products
JP2760004B2 (ja) * 1989-01-30 1998-05-28 住友金属工業株式会社 加工性に優れた高強度耐熱鋼
JPH072981B2 (ja) * 1989-04-05 1995-01-18 株式会社クボタ 耐熱合金
US5077006A (en) * 1990-07-23 1991-12-31 Carondelet Foundry Company Heat resistant alloys
DE4130140C1 (uk) * 1991-09-11 1992-11-19 Krupp-Vdm Ag, 5980 Werdohl, De

Also Published As

Publication number Publication date
ES2081007T3 (es) 1996-02-16
ZA926458B (en) 1993-03-04
KR930006171A (ko) 1993-04-20
EP0531775A1 (de) 1993-03-17
JPH05320795A (ja) 1993-12-03
ATE129292T1 (de) 1995-11-15
AU647661B2 (en) 1994-03-24
CA2077021C (en) 2002-08-06
DE4130139C1 (uk) 1992-08-06
AU2139292A (en) 1993-03-18
DE59204057D1 (de) 1995-11-23
KR0181182B1 (ko) 1999-02-18
BR9203513A (pt) 1994-03-01
CA2077021A1 (en) 1993-03-12
US5603891A (en) 1997-02-18

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