CA1043571A - Method of producing low nitrogen steel - Google Patents

Method of producing low nitrogen steel

Info

Publication number
CA1043571A
CA1043571A CA234,487A CA234487A CA1043571A CA 1043571 A CA1043571 A CA 1043571A CA 234487 A CA234487 A CA 234487A CA 1043571 A CA1043571 A CA 1043571A
Authority
CA
Canada
Prior art keywords
rate
level
inert gas
percent
oxygen
Prior art date
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
CA234,487A
Other languages
English (en)
French (fr)
Inventor
Richard J. Fruehan
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.)
USS Engineers and Consultants Inc
Original Assignee
USS Engineers and Consultants 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
Priority claimed from US05/574,804 external-priority patent/US4004920A/en
Application filed by USS Engineers and Consultants Inc filed Critical USS Engineers and Consultants Inc
Application granted granted Critical
Publication of CA1043571A publication Critical patent/CA1043571A/en
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
    • 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
    • C21C5/34—Blowing through the bath
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
CA234,487A 1974-08-30 1975-08-29 Method of producing low nitrogen steel Expired CA1043571A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US50191274A 1974-08-30 1974-08-30
US05/574,804 US4004920A (en) 1975-05-05 1975-05-05 Method of producing low nitrogen steel

Publications (1)

Publication Number Publication Date
CA1043571A true CA1043571A (en) 1978-12-05

Family

ID=27053962

Family Applications (1)

Application Number Title Priority Date Filing Date
CA234,487A Expired CA1043571A (en) 1974-08-30 1975-08-29 Method of producing low nitrogen steel

Country Status (6)

Country Link
JP (1) JPS5150214A (de)
CA (1) CA1043571A (de)
DE (1) DE2538159C2 (de)
FR (1) FR2283229A1 (de)
GB (1) GB1458168A (de)
IT (1) IT1041622B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA775918B (en) * 1977-01-11 1978-05-30 Nat Steel Corp The use of orgon to prepare low-carbon,low-nitrogen steels in the basic oxygen process
FR2560891B1 (fr) * 1984-03-09 1989-10-20 Air Liquide Procede d'affinage de la fonte
DE3541850A1 (de) * 1985-11-27 1987-06-04 Mannesmann Ag Verfahren zum oxidierenden behandeln von stahl

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1253581A (en) * 1968-02-24 1971-11-17 Maximilianshuette Eisenwerk Improvements in processes and apparatus for making steel
DE2007373B2 (de) * 1970-02-18 1973-05-03 Eisenwerk-Gesellschaft Maximilianshütte mbH, 8458 Sulzbach-Rosenberg Verfahren und konverter zum herstellen ferritischer chromstaehle

Also Published As

Publication number Publication date
IT1041622B (it) 1980-01-10
FR2283229A1 (fr) 1976-03-26
JPS5150214A (ja) 1976-05-01
GB1458168A (en) 1976-12-08
FR2283229B1 (de) 1979-01-05
DE2538159C2 (de) 1984-08-09
JPS5516206B2 (de) 1980-04-30
DE2538159A1 (de) 1976-03-11

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