FR2001274B1 - - Google Patents

Info

Publication number
FR2001274B1
FR2001274B1 FR6902474A FR6902474A FR2001274B1 FR 2001274 B1 FR2001274 B1 FR 2001274B1 FR 6902474 A FR6902474 A FR 6902474A FR 6902474 A FR6902474 A FR 6902474A FR 2001274 B1 FR2001274 B1 FR 2001274B1
Authority
FR
France
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
FR6902474A
Other languages
French (fr)
Other versions
FR2001274A1 (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.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
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 National Research Development Corp UK filed Critical National Research Development Corp UK
Publication of FR2001274A1 publication Critical patent/FR2001274A1/fr
Application granted granted Critical
Publication of FR2001274B1 publication Critical patent/FR2001274B1/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
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
    • C21C5/5217—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace equipped with burners or devices for injecting gas, i.e. oxygen, or pulverulent materials into the furnace
    • 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
    • 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
    • C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
    • 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
    • Y02P10/20—Recycling

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)
  • Manufacture And Refinement Of Metals (AREA)
FR6902474A 1968-02-02 1969-01-30 Procede d'affinage des aciers Granted FR2001274A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB540968 1968-02-02

Publications (2)

Publication Number Publication Date
FR2001274A1 FR2001274A1 (fr) 1969-09-26
FR2001274B1 true FR2001274B1 (da) 1974-05-03

Family

ID=9795642

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6902474A Granted FR2001274A1 (fr) 1968-02-02 1969-01-30 Procede d'affinage des aciers

Country Status (8)

Country Link
BE (1) BE727735A (da)
CH (1) CH519024A (da)
DE (1) DE1904914A1 (da)
ES (1) ES363201A1 (da)
FR (1) FR2001274A1 (da)
GB (1) GB1259275A (da)
HK (1) HK56477A (da)
NO (1) NO128331B (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4212665A (en) * 1978-07-27 1980-07-15 Special Metals Corporation Decarburization of metallic alloys

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR564035A (fr) * 1922-03-17 1923-12-19 Procédé d'affinage des alliages ferreux à faible teneur en carbone
FR565353A (fr) * 1922-04-25 1924-01-25 Perfectionnements dans l'extraction et l'affinage des métaux et des alliages

Also Published As

Publication number Publication date
BE727735A (da) 1969-07-01
DE1904914A1 (de) 1972-02-17
FR2001274A1 (fr) 1969-09-26
CH519024A (fr) 1972-02-15
GB1259275A (da) 1972-01-05
NO128331B (da) 1973-10-29
HK56477A (en) 1977-11-18
ES363201A1 (es) 1970-12-01

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Legal Events

Date Code Title Description
ST Notification of lapse