CH519024A - Procédé d'affinage des aciers - Google Patents

Procédé d'affinage des aciers

Info

Publication number
CH519024A
CH519024A CH157169A CH157169A CH519024A CH 519024 A CH519024 A CH 519024A CH 157169 A CH157169 A CH 157169A CH 157169 A CH157169 A CH 157169A CH 519024 A CH519024 A CH 519024A
Authority
CH
Switzerland
Prior art keywords
steels
refining process
refining
Prior art date
Application number
CH157169A
Other languages
English (en)
Inventor
David Stephenson Stephen
Morgan Richards John Rees
Original Assignee
Nat Res Dev
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 Nat Res Dev filed Critical Nat Res Dev
Publication of CH519024A publication Critical patent/CH519024A/fr

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)
CH157169A 1968-02-02 1969-01-31 Procédé d'affinage des aciers CH519024A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH519024A true CH519024A (fr) 1972-02-15

Family

ID=9795642

Family Applications (1)

Application Number Title Priority Date Filing Date
CH157169A CH519024A (fr) 1968-02-02 1969-01-31 Procédé d'affinage des aciers

Country Status (8)

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

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 (fr) 1969-07-01
NO128331B (fr) 1973-10-29
HK56477A (en) 1977-11-18
FR2001274A1 (fr) 1969-09-26
FR2001274B1 (fr) 1974-05-03
GB1259275A (fr) 1972-01-05
DE1904914A1 (de) 1972-02-17
ES363201A1 (es) 1970-12-01

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Legal Events

Date Code Title Description
PL Patent ceased