ATE56896T1 - Verfahren zur herstellung beruhigten stahls mit niedrigem stickstoffgehalt. - Google Patents

Verfahren zur herstellung beruhigten stahls mit niedrigem stickstoffgehalt.

Info

Publication number
ATE56896T1
ATE56896T1 AT86400532T AT86400532T ATE56896T1 AT E56896 T1 ATE56896 T1 AT E56896T1 AT 86400532 T AT86400532 T AT 86400532T AT 86400532 T AT86400532 T AT 86400532T AT E56896 T1 ATE56896 T1 AT E56896T1
Authority
AT
Austria
Prior art keywords
steel
ladle
killing
additives
pouring
Prior art date
Application number
AT86400532T
Other languages
English (en)
Inventor
Jean-Michel Naud
Original Assignee
Air Liquide
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9317817&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE56896(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Air Liquide filed Critical Air Liquide
Application granted granted Critical
Publication of ATE56896T1 publication Critical patent/ATE56896T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
    • B22D27/003—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting by using inert gases
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/06—Deoxidising, e.g. killing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Continuous Casting (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Heat Treatment Of Steel (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
AT86400532T 1985-04-01 1986-03-13 Verfahren zur herstellung beruhigten stahls mit niedrigem stickstoffgehalt. ATE56896T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8504909A FR2579495B1 (fr) 1985-04-01 1985-04-01 Procede de protection d'un jet de coulee de metal
EP86400532A EP0196952B1 (de) 1985-04-01 1986-03-13 Verfahren zur Herstellung beruhigten Stahls mit niedrigem Stickstoffgehalt

Publications (1)

Publication Number Publication Date
ATE56896T1 true ATE56896T1 (de) 1990-10-15

Family

ID=9317817

Family Applications (1)

Application Number Title Priority Date Filing Date
AT86400532T ATE56896T1 (de) 1985-04-01 1986-03-13 Verfahren zur herstellung beruhigten stahls mit niedrigem stickstoffgehalt.

Country Status (11)

Country Link
US (1) US4666511A (de)
EP (1) EP0196952B1 (de)
JP (1) JPS61235507A (de)
AT (1) ATE56896T1 (de)
AU (1) AU586856B2 (de)
BR (1) BR8601411A (de)
CA (1) CA1268044A (de)
DE (1) DE3674446D1 (de)
ES (1) ES8702810A1 (de)
FR (1) FR2579495B1 (de)
ZA (1) ZA862011B (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4657587A (en) * 1985-02-21 1987-04-14 Canadian Liquid Air Ltd./Air Liquide Canada Ltee Molten metal casting
FR2607039B1 (fr) * 1986-11-26 1989-03-31 Air Liquide Procede de coulee d'acier comportant un inertage du bain d'acier par de l'anhydride carbonique sous forme de neige
US4723997A (en) * 1987-04-20 1988-02-09 L'air Liquide Method and apparatus for shielding a stream of liquid metal
FR2623890B1 (fr) * 1987-11-26 1990-03-30 Air Liquide Lance a neige carbonique pour la metallurgie
DE3904415C1 (de) * 1989-02-14 1990-04-26 Intracon Handelsgesellschaft Fuer Industriebedarf M.B.H., 6200 Wiesbaden, De
DK0544967T3 (da) * 1991-11-28 1995-10-16 Von Roll Ag Fremgangsmåde til at undertrykke støv og røg ved fremstillingen af elektrostål
US5344478A (en) * 1993-08-02 1994-09-06 Air Products And Chemicals, Inc. Vortex dispersing nozzle for liquefied cryogenic inert gases used in blanketing of molten metals exposed to ambient air and method
WO1998021373A2 (en) * 1996-11-08 1998-05-22 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process for reducing fume emissions during molten metal transfer
US6228187B1 (en) 1998-08-19 2001-05-08 Air Liquide America Corp. Apparatus and methods for generating an artificial atmosphere for the heat treating of materials
DE10038543A1 (de) * 2000-08-03 2002-02-14 Linde Gas Ag Verfahren zum Schützen der Oberfläche einer Magnesiumschmelze
US6491863B2 (en) 2000-12-12 2002-12-10 L'air Liquide-Societe' Anonyme A' Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes George Claude Method and apparatus for efficient utilization of a cryogen for inert cover in metals melting furnaces
DE102006033698A1 (de) * 2006-07-20 2008-01-24 Linde Ag Verfahren zum Gießen von Magnesium
DE102011008894A1 (de) 2011-01-19 2012-07-19 Air Liquide Deutschland Gmbh Verfahren und Düse zur Unterdrückung einer Entwicklung von eisenhaltigem Dampf

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR434070A (fr) * 1910-11-14 1912-01-24 Marcellin Reymondier Nouveau procédé de coulée et de moulage permettant d'obtenir des aciers, fontes, métaux ou alliages sains et homogènes
US3052936A (en) * 1956-10-01 1962-09-11 Babcock & Wilcox Co Method of continuously casting metals
US3224051A (en) * 1962-01-31 1965-12-21 Brown Fintube Co Method of introducing addition agent into a melt
US3230074A (en) * 1962-07-16 1966-01-18 Chrysler Corp Process of making iron-aluminum alloys and components thereof
US3258328A (en) * 1962-08-23 1966-06-28 Fuji Iron & Steel Co Ltd Method and apparatus for treating steel
BE677958A (de) * 1966-03-16 1966-09-16
BE677957A (de) * 1966-03-16 1966-09-16
LU70560A1 (de) * 1973-07-24 1974-11-28
US4089678A (en) * 1975-08-01 1978-05-16 Hanawalt Joseph D Method and product for protecting molten magnesium

Also Published As

Publication number Publication date
JPS61235507A (ja) 1986-10-20
CA1268044A (fr) 1990-04-24
ES8702810A1 (es) 1987-01-16
EP0196952A2 (de) 1986-10-08
AU586856B2 (en) 1989-07-27
EP0196952B1 (de) 1990-09-26
DE3674446D1 (de) 1990-10-31
FR2579495B1 (fr) 1987-09-11
ES553528A0 (es) 1987-01-16
US4666511A (en) 1987-05-19
ZA862011B (en) 1986-10-29
EP0196952A3 (en) 1988-10-26
AU5504686A (en) 1986-10-09
BR8601411A (pt) 1986-12-09
FR2579495A1 (fr) 1986-10-03

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee