SE365247B - - Google Patents

Info

Publication number
SE365247B
SE365247B SE116570A SE116570A SE365247B SE 365247 B SE365247 B SE 365247B SE 116570 A SE116570 A SE 116570A SE 116570 A SE116570 A SE 116570A SE 365247 B SE365247 B SE 365247B
Authority
SE
Sweden
Application number
SE116570A
Inventor
M Ohkubo
T Kawawa
Original Assignee
Nippon Kokan Kk
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 Nippon Kokan Kk filed Critical Nippon Kokan Kk
Publication of SE365247B publication Critical patent/SE365247B/xx

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
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/32—Blowing from above
    • 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
    • C21C7/0025—Adding carbon 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
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/06—Deoxidising, e.g. killing
    • 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
    • C21C2007/0093—Duplex process; Two stage processes
    • 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

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)
SE116570A 1969-02-04 1970-01-29 SE365247B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP798169A JPS4842769B1 (en) 1969-02-04 1969-02-04

Publications (1)

Publication Number Publication Date
SE365247B true SE365247B (en) 1974-03-18

Family

ID=11680602

Family Applications (1)

Application Number Title Priority Date Filing Date
SE116570A SE365247B (en) 1969-02-04 1970-01-29

Country Status (4)

Country Link
JP (1) JPS4842769B1 (en)
FR (1) FR2030295B1 (en)
GB (1) GB1258534A (en)
SE (1) SE365247B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51120853A (en) * 1975-04-12 1976-10-22 Kiyoshi Iwasaki Cartridge type cosmetics
CN100500874C (en) * 2007-05-09 2009-06-17 北京科技大学 Method of pre-fining molten steel in tapping process

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1535013A (en) * 1966-07-22 1968-08-02 Bethlehem Steel Corp Process for the manufacture of steel and steel conforming or similar to that obtained by this process

Also Published As

Publication number Publication date
DE2005045A1 (en) 1971-01-28
GB1258534A (en) 1971-12-30
FR2030295A1 (en) 1970-11-13
DE2005045B2 (en) 1976-02-19
JPS4842769B1 (en) 1973-12-14
FR2030295B1 (en) 1973-03-16

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