EP0236805B1 - Verwendung von Werkstücken aus austenitischem Stahl in der Tieftemperaturtechnik - Google Patents

Verwendung von Werkstücken aus austenitischem Stahl in der Tieftemperaturtechnik Download PDF

Info

Publication number
EP0236805B1
EP0236805B1 EP87102277A EP87102277A EP0236805B1 EP 0236805 B1 EP0236805 B1 EP 0236805B1 EP 87102277 A EP87102277 A EP 87102277A EP 87102277 A EP87102277 A EP 87102277A EP 0236805 B1 EP0236805 B1 EP 0236805B1
Authority
EP
European Patent Office
Prior art keywords
austenitic
workpieces
low temperature
work pieces
steel work
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
EP87102277A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0236805A2 (de
EP0236805A3 (en
Inventor
Werner Konrad Diehl
Martin Dr. Kesten
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.)
Messer Griesheim GmbH
Original Assignee
Messer Griesheim GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Messer Griesheim GmbH filed Critical Messer Griesheim GmbH
Priority to AT87102277T priority Critical patent/ATE52810T1/de
Publication of EP0236805A2 publication Critical patent/EP0236805A2/de
Publication of EP0236805A3 publication Critical patent/EP0236805A3/de
Application granted granted Critical
Publication of EP0236805B1 publication Critical patent/EP0236805B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • 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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/10—Modifying the physical properties of iron or steel by deformation by cold working of the whole cross-section, e.g. of concrete reinforcing bars

Definitions

  • the invention relates to the use of workpieces made of austenitic steel for use in low-temperature technology.
  • the most frequently used materials for such construction elements which transmit static and dynamic loads and in many cases also have to be vacuum-tight, are the austenitic chrome-nickel steels because they have a relatively low thermal conductivity compared to other metallic materials and also at low temperatures have sufficient toughness.
  • the force-transmitting cross sections must be kept small. This is only possible to a very limited extent with components made of austenitic steel because of the low strength of the material.
  • the invention has for its object to provide workpieces for use in low-temperature technology, which no longer have the disadvantages mentioned above.
  • the starting material in this treatment is additionally solidified to an above-average degree by the deformation below its martensite formation temperature, so that components treated accordingly can transmit much higher forces or, in comparison to conventional constructions, manage with smaller cross sections, which reduces the effective heat flow further reduced by such components.
  • An austenitic tube made of steel grade No. 1.4301 with an initial hardness of 153 HV1 was plastically deformed by 10.6% by applying internal pressure in a liquid nitrogen bath. The hardness rose to 310 HV1.
  • the mean thermal conductivity of the material in the temperature range between 288 K and 77 K decreased due to the treatment from 17 W / mK to 7 W / mK.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Laminated Bodies (AREA)
EP87102277A 1986-03-14 1987-02-18 Verwendung von Werkstücken aus austenitischem Stahl in der Tieftemperaturtechnik Expired - Lifetime EP0236805B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87102277T ATE52810T1 (de) 1986-03-14 1987-02-18 Verwendung von werkstuecken aus austenitischem stahl in der tieftemperaturtechnik.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863608563 DE3608563A1 (de) 1986-03-14 1986-03-14 Verfahren zur verringerung der waermeleitfaehigkeit von werkstuecken aus austenitischem stahl
DE3608563 1986-03-14

Publications (3)

Publication Number Publication Date
EP0236805A2 EP0236805A2 (de) 1987-09-16
EP0236805A3 EP0236805A3 (en) 1988-11-30
EP0236805B1 true EP0236805B1 (de) 1990-05-16

Family

ID=6296372

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87102277A Expired - Lifetime EP0236805B1 (de) 1986-03-14 1987-02-18 Verwendung von Werkstücken aus austenitischem Stahl in der Tieftemperaturtechnik

Country Status (4)

Country Link
EP (1) EP0236805B1 (Direct)
JP (1) JPS62224631A (Direct)
AT (1) ATE52810T1 (Direct)
DE (1) DE3608563A1 (Direct)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3726960A1 (de) * 1987-08-13 1989-02-23 Messer Griesheim Gmbh Verfahren zur herstellung eines druckgasbehaelters aus austenitischen staehlen durch kryoverformung
US5447035A (en) * 1993-04-19 1995-09-05 Leading Edge, Incorporated Method of treating brake pads

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1195782B (de) * 1956-11-05 1965-07-01 Allegheny Ludlum Steel Verfahren zur Waermebehandlung rostfreier austenitischer Staehle
DE1452533A1 (de) * 1962-03-28 1969-02-20 Arde Portland Inc Verfahren zur Herstellung von Druckbehaeltern mit hoher Zugfestigkeit und Vorrichtung zur Durchfuehrung des Verfahrens
US4042421A (en) * 1975-12-03 1977-08-16 Union Carbide Corporation Method for providing strong tough metal alloys

Also Published As

Publication number Publication date
DE3608563C2 (Direct) 1991-01-24
EP0236805A2 (de) 1987-09-16
JPS62224631A (ja) 1987-10-02
ATE52810T1 (de) 1990-06-15
EP0236805A3 (en) 1988-11-30
DE3608563A1 (de) 1987-09-17

Similar Documents

Publication Publication Date Title
EP3365172B1 (de) Verbundrohr bestehend aus einem trägerrohr und mindestens einem schutzrohr und verfahren zur herstellung davon
EP2125263B1 (de) Verfahren und vorrichtung zum temperierten umformen von warmgewalztem stahlmaterial
DE1508416C3 (de) Verfahren zur Herstellung von Stahlteilen wie Bolzen, Schrauben, Zapfen u.dgl.
CH504538A (de) Verfahren zur Behandlung einer Nickel-Titan-Legierung
DE3851371T2 (de) Warmgewalztes hochfestes Stahlblech mit ausgezeichneter Umformbarkeit.
DE102005020081A1 (de) Pulvermetallurgisch hergestellter, verschleißbeständiger Werkstoff
EP2557185A1 (de) Warmgewalzte, profilierte Stahlbewehrung für Stahlbetonteile mit verbessertem Feuerwiderstand und Verfahren zu deren Herstellung
DE102017202294A1 (de) Verfahren zur Herstellung eines warmumgeformten und pressgehärteten Stahlblechbauteils
DE2219406A1 (de) Metallhärtungsverfahren und nach diesem Verfahren hergestelltes Hartmetall
EP0236805B1 (de) Verwendung von Werkstücken aus austenitischem Stahl in der Tieftemperaturtechnik
DE2245520A1 (de) Verfahren zur behandlung von eisenhaltigen gefuegen
DE3885222T2 (de) Werkstoffe mit variabler stärke, geformt mittels schnellverformung.
EP3088537A1 (de) Herstellverfahren hpi-gusseisen
DE69206696T2 (de) Verfahren zum Warmschmieden bei sehr hoher Temperatur
WO2017137259A1 (de) Wärmebehandlungsverfahren und wärmebehandlungsvorrichtung
DE3826091A1 (de) Hoeherfester stahl, insbesondere betonstahl bzw. ziehereivormaterial mit verbesserten werkstoffeigenschaften und verbesserter verarbeitbarkeit
DE19652335C1 (de) Verfahren zur Herstellung von korrosionsbeständigen Flaschen oder Behältern aus Stahl
DE2055756C3 (de) Verfahren zur Herstellung von Gegenständen, die bei Änderung der Temperatur ihre Form zu ändern vermögen, und Anwendung des Verfahrens auf bestimmte Legierungen
DE2916218A1 (de) Verfahren zur herstellung von walzstahlerzeugnissen mit mehrschichtigem gefuegeaufbau
DE102015217399A1 (de) Rohrfeder für Kraftfahrzeuge und ein Verfahren zum Herstellen einer Rohrfeder
DE2324750A1 (de) Herstellung von gehaertetem stahl
DE102015217401B4 (de) Rohrfeder für Kraftfahrzeuge und ein Verfahren zum Herstellen einer Rohrfeder
DE7014849U (de) Vorrichtung zur reduktion feuerfester metalloxide
DE2020270A1 (de) Verfahren zur Erhoehung der Festigkeitswerte von unlegierten und legierten Metallen
DE102007060612A1 (de) Verfahren zum Umformen von Stahl

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT CH FR GB LI NL

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT CH FR GB LI NL

17P Request for examination filed

Effective date: 19890309

17Q First examination report despatched

Effective date: 19890615

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT CH FR GB LI NL

REF Corresponds to:

Ref document number: 52810

Country of ref document: AT

Date of ref document: 19900615

Kind code of ref document: T

ET Fr: translation filed
GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19911223

Year of fee payment: 6

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19920210

Year of fee payment: 6

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 19920212

Year of fee payment: 6

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 19920224

Year of fee payment: 6

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 19920229

Year of fee payment: 6

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19930218

Ref country code: AT

Effective date: 19930218

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Effective date: 19930228

Ref country code: CH

Effective date: 19930228

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Effective date: 19930901

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19930218

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19931029

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST