FR2227331B1 - - Google Patents

Info

Publication number
FR2227331B1
FR2227331B1 FR7408281A FR7408281A FR2227331B1 FR 2227331 B1 FR2227331 B1 FR 2227331B1 FR 7408281 A FR7408281 A FR 7408281A FR 7408281 A FR7408281 A FR 7408281A FR 2227331 B1 FR2227331 B1 FR 2227331B1
Authority
FR
France
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
Application number
FR7408281A
Other versions
FR2227331A1 (fr
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.)
Thyssen Niederrhein AG
Original Assignee
Thyssen Niederrhein AG
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 Thyssen Niederrhein AG filed Critical Thyssen Niederrhein AG
Publication of FR2227331A1 publication Critical patent/FR2227331A1/fr
Application granted granted Critical
Publication of FR2227331B1 publication Critical patent/FR2227331B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C21C7/10—Handling in a vacuum
    • 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
    • C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
FR7408281A 1973-04-28 1974-03-12 Expired FR2227331B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732321644 DE2321644B2 (de) 1973-04-28 1973-04-28 Verfahren zum entschwefeln von stahlschmelzen

Publications (2)

Publication Number Publication Date
FR2227331A1 FR2227331A1 (fr) 1974-11-22
FR2227331B1 true FR2227331B1 (fr) 1977-09-23

Family

ID=5879603

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7408281A Expired FR2227331B1 (fr) 1973-04-28 1974-03-12

Country Status (11)

Country Link
US (1) US3980469A (fr)
JP (1) JPS5641683B2 (fr)
AT (1) AT346881B (fr)
BE (1) BE812668A (fr)
CA (1) CA1014750A (fr)
DE (1) DE2321644B2 (fr)
FR (1) FR2227331B1 (fr)
GB (1) GB1435189A (fr)
IT (1) IT1007991B (fr)
SE (1) SE414316B (fr)
ZA (1) ZA741655B (fr)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4123258A (en) * 1974-04-20 1978-10-31 Thyssen Niederrhein Process for the production of steel with increased ductility and for the desulfurization of a steel melt
JPS5220577A (en) * 1975-08-08 1977-02-16 Central Glass Co Ltd Plate glass transfer apparatus
IT1047585B (it) * 1975-09-26 1980-10-20 Centro Speriment Metallurg Perfezionamento alla disossidazione e desolforazione dell acciaio
US4069039A (en) * 1976-06-23 1978-01-17 A. Finkl & Sons Co. Method for desulfurization using arc heat under vacuum
JPS5291560A (en) * 1976-01-26 1977-08-02 Bridgestone Corp Washing apparatus of coating holder for matter to be coated
US4071356A (en) * 1976-11-24 1978-01-31 Nippon Steel Corporation Method for refining a molten steel in vacuum
JPS5394213A (en) * 1977-01-31 1978-08-18 Kawasaki Steel Co Method of making ultralowwcarbon alloy steel
US4180397A (en) * 1977-09-15 1979-12-25 British Steel Corporation Machinable steel
US4154605A (en) * 1978-03-08 1979-05-15 Skw Trostberg Aktiengesellschaft Desulfurization of iron melts with fine particulate mixtures containing alkaline earth metal carbonates
HU179333B (en) * 1978-10-04 1982-09-28 Vasipari Kutato Intezet Method and apparatus for decreasing the unclusion contents and refining the structure of steels
JPS55103260A (en) * 1979-01-30 1980-08-07 Toyota Motor Corp Method and apparatus for coating and drying of sand core
IT1162307B (it) * 1979-04-27 1987-03-25 Centro Speriment Metallurg Metodo per l'introduzione di sostanze diossi-dedolforanti sotto batternte di metalli liquidi senza impiego di veicoli gassosi
US4238227A (en) * 1979-06-27 1980-12-09 United States Steel Corporation Cleansing of steel by gas rinsing
EP0023931A1 (fr) * 1979-08-09 1981-02-18 Vereinigte Edelstahlwerke Aktiengesellschaft (Vew) Procédé pour la production d'aciers et d'alliages très purs par fusion
US4266969A (en) * 1980-01-22 1981-05-12 Jones & Laughlin Steel Corporation Desulfurization process
JPS6040490B2 (ja) * 1980-04-21 1985-09-11 日本鋼管株式会社 容器内溶鋼の精錬方法
US4681625A (en) * 1980-11-03 1987-07-21 Wilson William G Methods for simultaneously desulfurizing and degassing steels
DE3364969D1 (en) * 1982-09-23 1986-09-04 Nat Res Dev Removing phosphorous from iron
USRE31676E (en) 1982-09-29 1984-09-18 Thyssen Aktiengesellschaft vorm August Thyssen-Hutte AG Method and apparatus for dispensing a fluidizable solid from a pressure vessel
LU84472A1 (fr) * 1982-11-17 1984-06-13 Arbed Procede et installation pour le traitement de l'acier en poche
DE3426736A1 (de) * 1984-07-20 1986-01-30 Klöckner CRA Technologie GmbH, 4100 Duisburg Verfahren zur spuelgasbehandlung von metallschmelzen
JPS6173817A (ja) * 1984-09-18 1986-04-16 Sumitomo Electric Ind Ltd 溶鋼制御精錬法および精錬装置
US4600427A (en) * 1984-10-22 1986-07-15 A. Finkl & Sons Co. Method of ladle steelmaking and product produced thereby
US4746361A (en) * 1987-04-03 1988-05-24 Inland Steel Company Controlling dissolved oxygen content in molten steel
US4740241A (en) * 1987-05-22 1988-04-26 Labate M D Dual action lance for ladles
AT390805B (de) * 1988-08-08 1990-07-10 Voest Alpine Stahl Donawitz Verfahren zum erwaermen von stahlschmelzen sowie vorrichtung zur durchfuehrung dieses verfahrens

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3001864A (en) * 1952-12-09 1961-09-26 Air Reduction Method for introducing solid materials into molten metal
US3060015A (en) * 1960-03-22 1962-10-23 Ruhrstahl Ag Steel purification
DE1608595B1 (de) * 1963-08-10 1970-07-30 Hoerder Huettenunion Ag Verfahren zum Herstellen von alterungsbestaendigem Tiefziehstahl
US3367646A (en) * 1965-02-23 1968-02-06 Dow Chemical Co Apparatus for injecting metal vapors into a molten metal
US3467167A (en) * 1966-09-19 1969-09-16 Kaiser Ind Corp Process for continuously casting oxidizable metals
US3545960A (en) * 1967-04-25 1970-12-08 Union Carbide Corp Alloy addition process
GB1206062A (en) * 1967-10-18 1970-09-23 Nippon Kokan Kk Deoxidation method
US3547622A (en) * 1968-06-12 1970-12-15 Pennwalt Corp D.c. powered plasma arc method and apparatus for refining molten metal
US3598383A (en) * 1969-01-14 1971-08-10 William H Moore Method and apparatus for incorporating additives in a melt

Also Published As

Publication number Publication date
SE414316B (sv) 1980-07-21
US3980469A (en) 1976-09-14
ATA1036273A (de) 1976-10-15
JPS5641683B2 (fr) 1981-09-30
GB1435189A (en) 1976-05-12
JPS502617A (fr) 1975-01-11
BE812668A (fr) 1974-07-15
FR2227331A1 (fr) 1974-11-22
DE2321644B2 (de) 1976-06-10
AT346881B (de) 1978-11-27
IT1007991B (it) 1976-10-30
CA1014750A (en) 1977-08-02
ZA741655B (en) 1975-03-26
DE2321644A1 (de) 1974-11-14

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Legal Events

Date Code Title Description
ST Notification of lapse