AT318675B - Process for the controlled decarburization of metal, especially steel melts under reduced pressure in closed vessels - Google Patents

Process for the controlled decarburization of metal, especially steel melts under reduced pressure in closed vessels

Info

Publication number
AT318675B
AT318675B AT1120370A AT1120370A AT318675B AT 318675 B AT318675 B AT 318675B AT 1120370 A AT1120370 A AT 1120370A AT 1120370 A AT1120370 A AT 1120370A AT 318675 B AT318675 B AT 318675B
Authority
AT
Austria
Prior art keywords
metal
reduced pressure
under reduced
especially steel
melts under
Prior art date
Application number
AT1120370A
Other languages
German (de)
Original Assignee
Allegheny Ludlum Ind Inc
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 Allegheny Ludlum Ind Inc filed Critical Allegheny Ludlum Ind Inc
Application granted granted Critical
Publication of AT318675B publication Critical patent/AT318675B/en

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

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)
AT1120370A 1970-01-05 1970-12-14 Process for the controlled decarburization of metal, especially steel melts under reduced pressure in closed vessels AT318675B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75170A 1970-01-05 1970-01-05

Publications (1)

Publication Number Publication Date
AT318675B true AT318675B (en) 1974-11-11

Family

ID=21692872

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1120370A AT318675B (en) 1970-01-05 1970-12-14 Process for the controlled decarburization of metal, especially steel melts under reduced pressure in closed vessels

Country Status (10)

Country Link
US (1) US3700429A (en)
JP (1) JPS5543047B1 (en)
AT (1) AT318675B (en)
BE (1) BE760724A (en)
CA (1) CA946163A (en)
DE (1) DE2061122C3 (en)
ES (1) ES386534A1 (en)
FR (1) FR2075921B1 (en)
GB (1) GB1335397A (en)
SE (1) SE392733B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3847593A (en) * 1971-07-13 1974-11-12 Centro Speriment Metallurg Process for refining metals, in particular liquid pig iron, in oxygen converters with continuous control of the operative procedure
DE2438122A1 (en) * 1974-08-08 1976-02-19 Witten Edelstahl Vacuum decarburisation of chromium steel melts - avoiding chromium losses by monitoring oxygen content of waste gas
JPS5442324A (en) * 1977-09-10 1979-04-04 Nisshin Steel Co Ltd Control procedure of steel making process using mass spectrometer
JPS569319A (en) * 1979-07-05 1981-01-30 Nippon Steel Corp Vacuum treatment controller for molten steel
FR2472615A1 (en) 1979-11-28 1981-07-03 Merrien Pierre METHOD AND DEVICE FOR AUTOMATING A VACUUM DEGASSING CYCLE OF ALUMINUM ALLOYS
US4541862A (en) * 1982-11-30 1985-09-17 A. Finkl & Sons Co. Ladle steelmaking method and apparatus
DE4243687C1 (en) * 1992-12-18 1994-02-17 Mannesmann Ag Vacuum system, especially for secondary metallurgy
RU2064660C1 (en) * 1993-12-06 1996-07-27 Акционерное общество "Нижнетагильский металлургический комбинат" Device inspecting state of surface of melted metal
US5417739A (en) * 1993-12-30 1995-05-23 Ltv Steel Company, Inc. Method of making high nitrogen content steel
US5865876A (en) * 1995-06-07 1999-02-02 Ltv Steel Company, Inc. Multipurpose lance
US5830259A (en) * 1996-06-25 1998-11-03 Ltv Steel Company, Inc. Preventing skull accumulation on a steelmaking lance
US5885323A (en) * 1997-04-25 1999-03-23 Ltv Steel Company, Inc. Foamy slag process using multi-circuit lance
RU2007126553A (en) * 2004-12-13 2009-01-20 Цитос Биотехнологи Аг (Ch) ORDERED SERIES OF IL-15 ANTIGENES AND THEIR APPLICATION
GB0427832D0 (en) * 2004-12-20 2005-01-19 Boc Group Plc Degassing molten metal
CN115124161A (en) * 2022-05-13 2022-09-30 华能山东发电有限公司烟台发电厂 Method for prolonging resin service cycle of generator rotor cooling water treatment device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1343235A (en) * 1962-12-21 1963-11-15 Nippon Kokan Kk Process for the production of carbonless ferrochrome
US3420657A (en) * 1966-02-14 1969-01-07 Union Carbide Corp Oxygen treatment of chromium alloys

Also Published As

Publication number Publication date
US3700429A (en) 1972-10-24
CA946163A (en) 1974-04-30
BE760724A (en) 1971-06-23
DE2061122C3 (en) 1982-11-25
ES386534A1 (en) 1973-11-16
DE2061122A1 (en) 1971-07-15
JPS5543047B1 (en) 1980-11-04
SE392733B (en) 1977-04-18
FR2075921A1 (en) 1971-10-15
DE2061122B2 (en) 1981-07-30
GB1335397A (en) 1973-10-24
FR2075921B1 (en) 1974-09-20

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