FR2147863A1 - Projecting deoxidant into molten steel - increasing efficiency and stability of deoxidant - Google Patents

Projecting deoxidant into molten steel - increasing efficiency and stability of deoxidant

Info

Publication number
FR2147863A1
FR2147863A1 FR7128583A FR7128583A FR2147863A1 FR 2147863 A1 FR2147863 A1 FR 2147863A1 FR 7128583 A FR7128583 A FR 7128583A FR 7128583 A FR7128583 A FR 7128583A FR 2147863 A1 FR2147863 A1 FR 2147863A1
Authority
FR
France
Prior art keywords
deoxidant
projecting
molten steel
stability
increasing efficiency
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
FR7128583A
Other languages
English (en)
French (fr)
Other versions
FR2147863B1 (https=
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 FR7128583A priority Critical patent/FR2147863A1/fr
Publication of FR2147863A1 publication Critical patent/FR2147863A1/fr
Application granted granted Critical
Publication of FR2147863B1 publication Critical patent/FR2147863B1/fr
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04Removing impurities by adding a treating agent
    • C21C7/06Deoxidising, e.g. killing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10Supplying or treating molten metal
    • B22D11/108Feeding additives, powders, or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10Supplying or treating molten metal
    • B22D11/11Treating the molten metal
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0037Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
FR7128583A 1971-08-04 1971-08-04 Projecting deoxidant into molten steel - increasing efficiency and stability of deoxidant Granted FR2147863A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7128583A FR2147863A1 (en) 1971-08-04 1971-08-04 Projecting deoxidant into molten steel - increasing efficiency and stability of deoxidant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7128583A FR2147863A1 (en) 1971-08-04 1971-08-04 Projecting deoxidant into molten steel - increasing efficiency and stability of deoxidant

Publications (2)

Publication Number Publication Date
FR2147863A1 true FR2147863A1 (en) 1973-03-11
FR2147863B1 FR2147863B1 (https=) 1975-02-07

Family

ID=9081461

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7128583A Granted FR2147863A1 (en) 1971-08-04 1971-08-04 Projecting deoxidant into molten steel - increasing efficiency and stability of deoxidant

Country Status (1)

Country Link
FR (1) FR2147863A1 (https=)

Also Published As

Publication number Publication date
FR2147863B1 (https=) 1975-02-07

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Legal Events

Date Code Title Description
ST Notification of lapse