AT315883B - Process for decarburizing molten steel - Google Patents

Process for decarburizing molten steel

Info

Publication number
AT315883B
AT315883B AT1019569A AT1019569A AT315883B AT 315883 B AT315883 B AT 315883B AT 1019569 A AT1019569 A AT 1019569A AT 1019569 A AT1019569 A AT 1019569A AT 315883 B AT315883 B AT 315883B
Authority
AT
Austria
Prior art keywords
molten steel
decarburizing molten
decarburizing
steel
molten
Prior art date
Application number
AT1019569A
Other languages
German (de)
Original Assignee
Allegheny Ludlum Steel
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 Steel filed Critical Allegheny Ludlum Steel
Application granted granted Critical
Publication of AT315883B publication Critical patent/AT315883B/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
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/30—Regulating or controlling the blowing
    • 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
    • C21C7/068—Decarburising

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
AT1019569A 1968-10-30 1969-10-29 Process for decarburizing molten steel AT315883B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US77175268A 1968-10-30 1968-10-30
US14008571A 1971-05-04 1971-05-04

Publications (1)

Publication Number Publication Date
AT315883B true AT315883B (en) 1974-06-10

Family

ID=26837856

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1019569A AT315883B (en) 1968-10-30 1969-10-29 Process for decarburizing molten steel

Country Status (6)

Country Link
US (2) US3594155A (en)
AT (1) AT315883B (en)
BE (1) BE741027A (en)
DE (1) DE1953888C3 (en)
FR (1) FR2021885B1 (en)
GB (1) GB1283086A (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1916945C3 (en) * 1969-04-02 1980-04-17 Eisenwerk-Gesellschaft Maximilianshuette Mbh, 8458 Sulzbach-Rosenberg Use of the jacket gas process for refining pig iron to steel
DE2007373B2 (en) * 1970-02-18 1973-05-03 Eisenwerk-Gesellschaft Maximilianshütte mbH, 8458 Sulzbach-Rosenberg PROCESS AND CONVERTER FOR MANUFACTURING FERRITIC CHROME STEEL
US3754895A (en) * 1971-01-27 1973-08-28 Allegheny Ludlum Ind Inc Process for decarburization of steels
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
US3816720A (en) * 1971-11-01 1974-06-11 Union Carbide Corp Process for the decarburization of molten metal
US3798025A (en) * 1971-12-29 1974-03-19 Allegheny Ludlum Ind Inc Vacuum decarburization in rh and dh type degassing systems
US3920447A (en) * 1972-02-28 1975-11-18 Pennsylvania Engineering Corp Steel production method
DE2310240C2 (en) * 1973-03-01 1988-03-03 Fried. Krupp Gmbh, 4300 Essen Process for monitoring and regulating decarburization during hot metal refining and device for carrying out the process
US4149877A (en) * 1974-06-27 1979-04-17 Centre De Recherches Metallurgiques, Centrum Voor Research In De Metallurgie Controlling pig iron refining
GB1559688A (en) * 1976-04-30 1980-01-23 British Steel Corp Refining molten metal
AT346877B (en) * 1976-08-04 1978-11-27 Voest Ag METHOD FOR CONTROLLING A STEEL REFRESHING PROCESS FOR STEELS WITH A C CONTENT IN THE RANGE OF 0.1 TO 0.8 WEIGHT%
US4130419A (en) * 1977-03-11 1978-12-19 Linde Ag Process for the purification, modification and heating of a cast-iron melt
JPS5442324A (en) * 1977-09-10 1979-04-04 Nisshin Steel Co Ltd Control procedure of steel making process using mass spectrometer
JPS5442323A (en) * 1977-09-10 1979-04-04 Nisshin Steel Co Ltd Control procedure of steel making process using mass spectormeter
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
US4260415A (en) * 1979-12-12 1981-04-07 Allegheny Ludlum Steel Corporation Decarburizing molten metal
DE3601337A1 (en) * 1986-01-16 1987-07-23 Mannesmann Ag METHOD FOR PRODUCING HIGH ALLOY STEELS IN THE OXYGEN BLOW CONVERTER
DE3706742A1 (en) * 1987-02-28 1988-09-08 Salzgitter Peine Stahlwerke METHOD AND DEVICE FOR DEGASSING TREATMENT OF A STEEL MELT IN A VACUUM SYSTEM
US4961784A (en) * 1987-08-13 1990-10-09 Nkk Corporation Method of smelting reduction of chromium raw materials and a smelting reduction furnace thereof
WO1989002478A1 (en) * 1987-09-10 1989-03-23 Nkk Corporation Process for producing molten stainless steel
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
ITRM20010146A1 (en) * 2001-03-21 2002-09-21 Acciai Speciali Terni Spa METHOD AND CONTROL SYSTEM FOR AOD CONVERTERS.
US6923843B1 (en) 2001-11-13 2005-08-02 Nupro Corporation Method for oxygen injection in metallurgical process requiring variable oxygen feed rate

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3252790A (en) * 1956-06-27 1966-05-24 Union Carbide Corp Preparation of metals and alloys
NL270519A (en) * 1960-11-18
BE610265A (en) * 1960-11-18
FR1444050A (en) * 1964-05-13 1966-07-01 Beteiligungs & Patentverw Gmbh Method of automatic adjustment of the oxygen blowing process
FR1466041A (en) * 1965-02-03 1967-01-13 Dynamit Nobel Ag Process for the preparation of acetals of copolymers containing polyhydroxymethylene or hydroxymethylene groups
FR1486820A (en) * 1966-07-15 1967-06-30 Leeds & Northrup Co Method and apparatus for controlling a basic oxygen furnace for the production of steel
LU52976A1 (en) * 1967-02-13 1968-10-09

Also Published As

Publication number Publication date
DE1953888B2 (en) 1980-09-04
DE1953888A1 (en) 1970-05-06
FR2021885A1 (en) 1970-07-24
US3748122A (en) 1973-07-24
BE741027A (en) 1970-04-30
US3594155A (en) 1971-07-20
FR2021885B1 (en) 1974-08-09
GB1283086A (en) 1972-07-26
DE1953888C3 (en) 1981-04-16

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