CA1069314A - Process for the addition of calcium to molten steel - Google Patents

Process for the addition of calcium to molten steel

Info

Publication number
CA1069314A
CA1069314A CA228,889A CA228889A CA1069314A CA 1069314 A CA1069314 A CA 1069314A CA 228889 A CA228889 A CA 228889A CA 1069314 A CA1069314 A CA 1069314A
Authority
CA
Canada
Prior art keywords
molten steel
steel
addition
amount
less
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
CA228,889A
Other languages
English (en)
French (fr)
Inventor
Akiyoshi Mori
Katsuya Higashi
Makoto Tokuda
Minoru Fukuda
Hajime Nashiwa
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.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries Ltd
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 JP49109339A external-priority patent/JPS5135615A/ja
Priority claimed from JP11454774A external-priority patent/JPS5140316A/ja
Priority claimed from JP12292774A external-priority patent/JPS5148711A/ja
Priority claimed from JP12942374A external-priority patent/JPS5154023A/ja
Priority claimed from JP49129421A external-priority patent/JPS582565B2/ja
Priority claimed from JP12942274A external-priority patent/JPS5154022A/ja
Application filed by Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Application granted granted Critical
Publication of CA1069314A publication Critical patent/CA1069314A/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
    • 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
    • C21C7/076—Use of slags or fluxes as treating agents
    • 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
    • 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
    • C21C7/0056—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 using cored wires
    • 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
    • C21C7/064—Dephosphorising; Desulfurising
    • 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
    • C21C7/10—Handling in a vacuum
    • 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)
  • Treatment Of Steel In Its Molten State (AREA)
CA228,889A 1974-09-20 1975-06-09 Process for the addition of calcium to molten steel Expired CA1069314A (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP49109339A JPS5135615A (it) 1974-09-20 1974-09-20
JP11454774A JPS5140316A (ja) 1974-10-03 1974-10-03 Teiryukarushiumushorinyoru reikankakoseitoteionjinseinosugureta kohanno seizoho
JP12292774A JPS5148711A (en) 1974-10-23 1974-10-23 Yokoheno karushiumutenkaho
JP12942374A JPS5154023A (ja) 1974-11-07 1974-11-07 Yokohenokarushiumutenkazai
JP49129421A JPS582565B2 (ja) 1974-11-07 1974-11-07 ヨウコウヘノカルシウムテンカホウ
JP12942274A JPS5154022A (ja) 1974-11-07 1974-11-07 Karushiumumatahakarushiumugokintenkazaino yokohenotenkahoho

Publications (1)

Publication Number Publication Date
CA1069314A true CA1069314A (en) 1980-01-08

Family

ID=27552313

Family Applications (1)

Application Number Title Priority Date Filing Date
CA228,889A Expired CA1069314A (en) 1974-09-20 1975-06-09 Process for the addition of calcium to molten steel

Country Status (4)

Country Link
CA (1) CA1069314A (it)
DE (1) DE2525839A1 (it)
FR (1) FR2285460A1 (it)
IT (1) IT1036958B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4205981A (en) * 1979-02-28 1980-06-03 International Harvester Company Method for ladle treatment of molten cast iron using sheathed magnesium wire
US5228902A (en) * 1992-09-03 1993-07-20 Usx Corporation Method of desulfurization in vacuum processing of steel

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1376281A (fr) * 1963-12-04 1964-10-23 Westinghouse Electric Corp Purification d'alliages
GB1206062A (en) * 1967-10-18 1970-09-23 Nippon Kokan Kk Deoxidation method
SE341412B (it) * 1969-07-15 1971-12-27 Asea Ab
BE795333A (fr) * 1972-03-01 1973-05-29 Thyssen Niederrhein Ag Procede de desulfuration de l'acier en fusion et poche pour sa mise en oeuvre

Also Published As

Publication number Publication date
DE2525839A1 (de) 1976-04-01
FR2285460B1 (it) 1979-02-16
IT1036958B (it) 1979-10-30
FR2285460A1 (fr) 1976-04-16

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