CA1340922C - Procede pour l'obtention d'acier inoxydable en fusion par reduction avecfusion - Google Patents

Procede pour l'obtention d'acier inoxydable en fusion par reduction avecfusion

Info

Publication number
CA1340922C
CA1340922C CA000597362A CA597362A CA1340922C CA 1340922 C CA1340922 C CA 1340922C CA 000597362 A CA000597362 A CA 000597362A CA 597362 A CA597362 A CA 597362A CA 1340922 C CA1340922 C CA 1340922C
Authority
CA
Canada
Prior art keywords
molten metal
blowing
slag
inert gas
outlet
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 - Fee Related
Application number
CA000597362A
Other languages
English (en)
Inventor
Shigeru Inoue
Katsuhiro Iwasaki
Kenji Takahashi
Masahiro Kawakami
Haruyoshi Tanabe
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.)
JFE Engineering Corp
Original Assignee
NKK Corp
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 NKK Corp filed Critical NKK Corp
Priority to CA000597362A priority Critical patent/CA1340922C/fr
Application granted granted Critical
Publication of CA1340922C publication Critical patent/CA1340922C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct 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
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • 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
    • C21C5/35—Blowing from above and through the bath
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Iron (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
CA000597362A 1989-04-21 1989-04-21 Procede pour l'obtention d'acier inoxydable en fusion par reduction avecfusion Expired - Fee Related CA1340922C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000597362A CA1340922C (fr) 1989-04-21 1989-04-21 Procede pour l'obtention d'acier inoxydable en fusion par reduction avecfusion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000597362A CA1340922C (fr) 1989-04-21 1989-04-21 Procede pour l'obtention d'acier inoxydable en fusion par reduction avecfusion

Publications (1)

Publication Number Publication Date
CA1340922C true CA1340922C (fr) 2000-03-07

Family

ID=33315132

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000597362A Expired - Fee Related CA1340922C (fr) 1989-04-21 1989-04-21 Procede pour l'obtention d'acier inoxydable en fusion par reduction avecfusion

Country Status (1)

Country Link
CA (1) CA1340922C (fr)

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Legal Events

Date Code Title Description
MKLA Lapsed