JPS5135615A - - Google Patents

Info

Publication number
JPS5135615A
JPS5135615A JP49109339A JP10933974A JPS5135615A JP S5135615 A JPS5135615 A JP S5135615A JP 49109339 A JP49109339 A JP 49109339A JP 10933974 A JP10933974 A JP 10933974A JP S5135615 A JPS5135615 A JP S5135615A
Authority
JP
Japan
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.)
Pending
Application number
JP49109339A
Other languages
Japanese (ja)
Inventor
Hajime Nashikazu
Akyoshi Mori
Makoto Tokuda
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
Application filed by Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP49109339A priority Critical patent/JPS5135615A/ja
Priority to US05/584,501 priority patent/US4043798A/en
Priority to BE157147A priority patent/BE830015A/fr
Priority to CA228,889A priority patent/CA1069314A/en
Priority to DE19752525839 priority patent/DE2525839A1/de
Priority to FR7518090A priority patent/FR2285460A1/fr
Priority to IT50005/75A priority patent/IT1036958B/it
Publication of JPS5135615A publication Critical patent/JPS5135615A/ja
Pending 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
    • C21C7/10—Handling in a vacuum
    • 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
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/076—Use of slags or fluxes as treating agents
    • 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)
JP49109339A 1974-09-20 1974-09-20 Pending JPS5135615A (enrdf_load_stackoverflow)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP49109339A JPS5135615A (enrdf_load_stackoverflow) 1974-09-20 1974-09-20
US05/584,501 US4043798A (en) 1974-09-20 1975-06-06 Process for producing steel having improved low temperature impact characteristics
BE157147A BE830015A (fr) 1974-09-20 1975-06-09 Procede d'addition de calcium a de l'acier en fusion
CA228,889A CA1069314A (en) 1974-09-20 1975-06-09 Process for the addition of calcium to molten steel
DE19752525839 DE2525839A1 (de) 1974-09-20 1975-06-10 Verfahren und zusatzmittel zur zugabe von calcium zu geschmolzenem stahl
FR7518090A FR2285460A1 (fr) 1974-09-20 1975-06-10 Procede d'addition de calcium a de l'acier fondu
IT50005/75A IT1036958B (it) 1974-09-20 1975-06-10 Processo per l aggiunta di calcio all acciato fuso

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49109339A JPS5135615A (enrdf_load_stackoverflow) 1974-09-20 1974-09-20

Publications (1)

Publication Number Publication Date
JPS5135615A true JPS5135615A (enrdf_load_stackoverflow) 1976-03-26

Family

ID=14507710

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49109339A Pending JPS5135615A (enrdf_load_stackoverflow) 1974-09-20 1974-09-20

Country Status (2)

Country Link
JP (1) JPS5135615A (enrdf_load_stackoverflow)
BE (1) BE830015A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5183025A (en) * 1975-01-17 1976-07-21 Sumitomo Metal Ind Renzokuchuzokohenno chushinhensekikeigenho
JPS53138955U (enrdf_load_stackoverflow) * 1977-04-07 1978-11-02
JPS55108850U (enrdf_load_stackoverflow) * 1979-01-26 1980-07-30

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5183025A (en) * 1975-01-17 1976-07-21 Sumitomo Metal Ind Renzokuchuzokohenno chushinhensekikeigenho
JPS53138955U (enrdf_load_stackoverflow) * 1977-04-07 1978-11-02
JPS55108850U (enrdf_load_stackoverflow) * 1979-01-26 1980-07-30

Also Published As

Publication number Publication date
BE830015A (fr) 1975-10-01

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