BE859513A - Utilisation de l'argon pour l'affinage a l'oxygene d'aciers a faible teneur en carbone et en azote - Google Patents

Utilisation de l'argon pour l'affinage a l'oxygene d'aciers a faible teneur en carbone et en azote

Info

Publication number
BE859513A
BE859513A BE181570A BE181570A BE859513A BE 859513 A BE859513 A BE 859513A BE 181570 A BE181570 A BE 181570A BE 181570 A BE181570 A BE 181570A BE 859513 A BE859513 A BE 859513A
Authority
BE
Belgium
Prior art keywords
argon
carbon
low
oxygen refining
nitrogen steels
Prior art date
Application number
BE181570A
Other languages
English (en)
French (fr)
Original Assignee
Union Carbide Corp
Nat Steel Corp
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 Union Carbide Corp, Nat Steel Corp filed Critical Union Carbide Corp
Publication of BE859513A publication Critical patent/BE859513A/xx

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
    • C21C5/32—Blowing from above

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Carbon And Carbon Compounds (AREA)
BE181570A 1977-01-11 1977-10-07 Utilisation de l'argon pour l'affinage a l'oxygene d'aciers a faible teneur en carbone et en azote BE859513A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75840877A 1977-01-11 1977-01-11

Publications (1)

Publication Number Publication Date
BE859513A true BE859513A (fr) 1978-04-07

Family

ID=25051636

Family Applications (1)

Application Number Title Priority Date Filing Date
BE181570A BE859513A (fr) 1977-01-11 1977-10-07 Utilisation de l'argon pour l'affinage a l'oxygene d'aciers a faible teneur en carbone et en azote

Country Status (23)

Country Link
US (1) US4149878A (it)
JP (1) JPS5387919A (it)
AU (1) AU511060B2 (it)
BE (1) BE859513A (it)
BR (1) BR7706779A (it)
DD (1) DD134652A5 (it)
DE (2) DE2745722C3 (it)
ES (3) ES463059A1 (it)
FI (1) FI772995A (it)
FR (1) FR2376900A1 (it)
GB (2) GB1597598A (it)
HU (1) HU177270B (it)
IN (1) IN148165B (it)
IT (1) IT1109308B (it)
LU (1) LU78297A1 (it)
NL (1) NL7711164A (it)
NO (1) NO145277C (it)
PH (1) PH12963A (it)
PL (1) PL122283B1 (it)
SE (1) SE7711341L (it)
TR (1) TR20137A (it)
YU (1) YU242777A (it)
ZA (1) ZA775918B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4373949A (en) * 1979-02-07 1983-02-15 Union Carbide Corporation Method for increasing vessel lining life for basic oxygen furnaces
CA1143947A (en) * 1979-02-07 1983-04-05 Jerry V. Spruell Method for increasing vessel lining life for basic oxygen furnaces
US4397685A (en) * 1982-03-26 1983-08-09 Union Carbide Corporation Production of ultra low carbon steel by the basic oxygen process
GB9609099D0 (en) * 1996-05-01 1996-07-03 Boc Group Plc Oxygen steelmaking
US5897684A (en) * 1997-04-17 1999-04-27 Ltv Steel Company, Inc. Basic oxygen process with iron oxide pellet addition
WO2008076901A1 (en) * 2006-12-15 2008-06-26 Praxair Technology, Inc. Injection method for inert gas
CN108690898B (zh) * 2018-06-14 2020-01-07 鞍钢股份有限公司 一种复吹转炉增氮的精确控制方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT168259B (de) * 1949-09-21 1951-05-10 Oesterr Alpine Montan Einrichtung und Verfahren zum Blasen von Gasen gegen die Oberfläche von Metallbädern
BE610265A (it) * 1960-11-18
BE643213A (it) 1964-01-30 1964-05-15
DE1433652A1 (de) * 1964-08-08 1969-09-18 Thyssen Huette Ag Verfahren zur Herstellung stickstoffarmer Staehle
GB1253581A (en) * 1968-02-24 1971-11-17 Maximilianshuette Eisenwerk Improvements in processes and apparatus for making steel
DE1758816C2 (de) * 1968-08-13 1975-11-20 Eisenwerk-Gesellschaft Maximilianshuette Mbh, 8458 Sulzbach-Rosenberg Verfahren zum Frischen von Roheisen zu Stahl
ZA704201B (en) * 1969-06-26 1971-02-24 African Oxygen Ltd Steelmaking
US3990888A (en) * 1972-10-06 1976-11-09 Uddeholms Aktiebolag Decarburization of a metal melt
JPS5318323B2 (it) * 1973-12-31 1978-06-14
SE7506480L (sv) 1974-06-07 1975-12-08 British Steel Corp Sett och anordning for tillverkning av raffinerat, legerat stal.
DE2538159C2 (de) * 1974-08-30 1984-08-09 USS Engineers and Consultants, Inc., Pittsburgh, Pa. Verfahren zum Frischen von Roheisen
US4021333A (en) * 1975-08-27 1977-05-03 The Lubrizol Corporation Method of rerefining oil by distillation and extraction

Also Published As

Publication number Publication date
GB1597597A (en) 1981-09-09
DE2745722A1 (de) 1978-07-20
BR7706779A (pt) 1978-08-01
DE2745722C3 (de) 1981-04-23
ES472578A1 (es) 1979-02-16
PH12963A (en) 1979-10-19
DE2759748C2 (de) 1982-07-29
US4149878A (en) 1979-04-17
HU177270B (en) 1981-08-28
LU78297A1 (it) 1978-06-12
NO145277B (no) 1981-11-09
FR2376900B1 (it) 1983-12-23
PL201568A1 (pl) 1978-08-14
SE7711341L (sv) 1978-07-12
PL122283B1 (en) 1982-07-31
AU511060B2 (en) 1980-07-24
IN148165B (it) 1980-11-15
NL7711164A (nl) 1978-07-13
GB1597598A (en) 1981-09-09
FI772995A (fi) 1978-07-12
TR20137A (tr) 1980-09-01
YU242777A (en) 1982-10-31
AU3019877A (en) 1979-05-10
ZA775918B (en) 1978-05-30
JPS5736332B2 (it) 1982-08-03
IT1109308B (it) 1985-12-16
NO145277C (no) 1982-02-17
FR2376900A1 (fr) 1978-08-04
DD134652A5 (de) 1979-03-14
NO773410L (no) 1978-07-12
DE2745722B2 (de) 1980-08-28
ES463059A1 (es) 1979-01-01
ES472579A1 (es) 1979-02-16
JPS5387919A (en) 1978-08-02

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: UNION CARBIDE CORP.

Effective date: 19881031

Owner name: NATIONAL STEEL CORP.

Effective date: 19881031