FR2283229A1 - Procede pour produire de l'acier a faible teneur en azote - Google Patents

Procede pour produire de l'acier a faible teneur en azote

Info

Publication number
FR2283229A1
FR2283229A1 FR7526434A FR7526434A FR2283229A1 FR 2283229 A1 FR2283229 A1 FR 2283229A1 FR 7526434 A FR7526434 A FR 7526434A FR 7526434 A FR7526434 A FR 7526434A FR 2283229 A1 FR2283229 A1 FR 2283229A1
Authority
FR
France
Prior art keywords
low nitrogen
producing low
nitrogen steel
steel
producing
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.)
Granted
Application number
FR7526434A
Other languages
English (en)
Other versions
FR2283229B1 (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.)
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
Publication of FR2283229A1 publication Critical patent/FR2283229A1/fr
Application granted granted Critical
Publication of FR2283229B1 publication Critical patent/FR2283229B1/fr
Granted 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)
FR7526434A 1974-08-30 1975-08-27 Procede pour produire de l'acier a faible teneur en azote Granted FR2283229A1 (fr)

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 (2)

Publication Number Publication Date
FR2283229A1 true FR2283229A1 (fr) 1976-03-26
FR2283229B1 FR2283229B1 (fr) 1979-01-05

Family

ID=27053962

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7526434A Granted FR2283229A1 (fr) 1974-08-30 1975-08-27 Procede pour produire de l'acier a faible teneur en azote

Country Status (6)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2560891A1 (fr) * 1984-03-09 1985-09-13 Air Liquide Procede d'affinage de la fonte

Families Citing this family (2)

* 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
DE3541850A1 (de) * 1985-11-27 1987-06-04 Mannesmann Ag Verfahren zum oxidierenden behandeln von stahl

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2130796A5 (fr) * 1970-02-18 1972-11-10 Maximilianshuette Eisenwerk

Family Cites Families (1)

* 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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2130796A5 (fr) * 1970-02-18 1972-11-10 Maximilianshuette Eisenwerk

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2560891A1 (fr) * 1984-03-09 1985-09-13 Air Liquide Procede d'affinage de la fonte
EP0156706A1 (fr) * 1984-03-09 1985-10-02 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Procédé de purification des métaux par insufflation

Also Published As

Publication number Publication date
IT1041622B (it) 1980-01-10
JPS5150214A (ja) 1976-05-01
GB1458168A (en) 1976-12-08
FR2283229B1 (fr) 1979-01-05
DE2538159C2 (de) 1984-08-09
CA1043571A (fr) 1978-12-05
JPS5516206B2 (fr) 1980-04-30
DE2538159A1 (de) 1976-03-11

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Legal Events

Date Code Title Description
ST Notification of lapse