JPS5291722A - Revision of slag - Google Patents

Revision of slag

Info

Publication number
JPS5291722A
JPS5291722A JP861476A JP861476A JPS5291722A JP S5291722 A JPS5291722 A JP S5291722A JP 861476 A JP861476 A JP 861476A JP 861476 A JP861476 A JP 861476A JP S5291722 A JPS5291722 A JP S5291722A
Authority
JP
Japan
Prior art keywords
slag
revision
molten steel
reentrance
dolomite
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.)
Pending
Application number
JP861476A
Other languages
Japanese (ja)
Inventor
Shozo Urabe
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 JP861476A priority Critical patent/JPS5291722A/en
Publication of JPS5291722A publication Critical patent/JPS5291722A/en
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
    • 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

Abstract

PURPOSE:Specified rate of ignited dolomite is added into molten steel in ladle. Slag in the molten steel is thus revised and reentrance of phosphorus is prevented.
JP861476A 1976-01-29 1976-01-29 Revision of slag Pending JPS5291722A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP861476A JPS5291722A (en) 1976-01-29 1976-01-29 Revision of slag

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP861476A JPS5291722A (en) 1976-01-29 1976-01-29 Revision of slag

Publications (1)

Publication Number Publication Date
JPS5291722A true JPS5291722A (en) 1977-08-02

Family

ID=11697818

Family Applications (1)

Application Number Title Priority Date Filing Date
JP861476A Pending JPS5291722A (en) 1976-01-29 1976-01-29 Revision of slag

Country Status (1)

Country Link
JP (1) JPS5291722A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57149413A (en) * 1981-03-09 1982-09-16 Kawasaki Steel Corp Addition of mn to molten steel
JPH0488740U (en) * 1990-04-10 1992-07-31

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57149413A (en) * 1981-03-09 1982-09-16 Kawasaki Steel Corp Addition of mn to molten steel
JPH0488740U (en) * 1990-04-10 1992-07-31

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