IT1155249B - CAST IRON REFINING PROCESS IN OXYGEN CONVERTERS WITH ADDITION OF MATERIALS CONTAINING SODIUM CARBONATE - Google Patents

CAST IRON REFINING PROCESS IN OXYGEN CONVERTERS WITH ADDITION OF MATERIALS CONTAINING SODIUM CARBONATE

Info

Publication number
IT1155249B
IT1155249B IT40430/81A IT4043081A IT1155249B IT 1155249 B IT1155249 B IT 1155249B IT 40430/81 A IT40430/81 A IT 40430/81A IT 4043081 A IT4043081 A IT 4043081A IT 1155249 B IT1155249 B IT 1155249B
Authority
IT
Italy
Prior art keywords
addition
sodium carbonate
cast iron
materials containing
containing sodium
Prior art date
Application number
IT40430/81A
Other languages
Italian (it)
Other versions
IT8140430A1 (en
IT8140430A0 (en
Inventor
Arno' Mario Dott
Costa Bruno Ing
Original Assignee
Italsider Spa Centro Siderurgi
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 Italsider Spa Centro Siderurgi filed Critical Italsider Spa Centro Siderurgi
Priority to IT40430/81A priority Critical patent/IT1155249B/en
Publication of IT8140430A0 publication Critical patent/IT8140430A0/en
Priority to US06/379,082 priority patent/US4405364A/en
Priority to JP57082527A priority patent/JPS581010A/en
Priority to GB08214534A priority patent/GB2101636B/en
Priority to BE0/208142A priority patent/BE893249A/en
Priority to FR8208850A priority patent/FR2506330B1/en
Priority to DE3218975A priority patent/DE3218975A1/en
Publication of IT8140430A1 publication Critical patent/IT8140430A1/en
Application granted granted Critical
Publication of IT1155249B publication Critical patent/IT1155249B/en

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
    • 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
    • C21C5/36—Processes yielding slags of special composition
    • 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
    • C21C7/064—Dephosphorising; Desulfurising
    • C21C7/0645—Agents used for dephosphorising or desulfurising

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
IT40430/81A 1981-05-20 1981-05-20 CAST IRON REFINING PROCESS IN OXYGEN CONVERTERS WITH ADDITION OF MATERIALS CONTAINING SODIUM CARBONATE IT1155249B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT40430/81A IT1155249B (en) 1981-05-20 1981-05-20 CAST IRON REFINING PROCESS IN OXYGEN CONVERTERS WITH ADDITION OF MATERIALS CONTAINING SODIUM CARBONATE
US06/379,082 US4405364A (en) 1981-05-20 1982-05-17 Process of refining iron in oxygen converters with additions of materials containing sodium carbonate
JP57082527A JPS581010A (en) 1981-05-20 1982-05-18 Iron refinement in oxygen converter
GB08214534A GB2101636B (en) 1981-05-20 1982-05-19 Refining iron or steel in oxygen converters with the addition of at least one compound of sodium
BE0/208142A BE893249A (en) 1981-05-20 1982-05-19 PROCESS FOR REFINING IRON IN OXYGEN CONVERTERS WITH ADDITIONS OF MATERIALS CONTAINING SODIUM CARBONATE
FR8208850A FR2506330B1 (en) 1981-05-20 1982-05-19 PROCESS FOR REFINING IRON IN OXYGEN CONVERTERS WITH ADDITION OF MATERIALS CONTAINING SODIUM CARBONATE
DE3218975A DE3218975A1 (en) 1981-05-20 1982-05-19 METHOD FOR REFRESHING IRON IN OXYGEN CONVERTERS WITH MATERIALS CONTAINING SODIUM CARBONATE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT40430/81A IT1155249B (en) 1981-05-20 1981-05-20 CAST IRON REFINING PROCESS IN OXYGEN CONVERTERS WITH ADDITION OF MATERIALS CONTAINING SODIUM CARBONATE

Publications (3)

Publication Number Publication Date
IT8140430A0 IT8140430A0 (en) 1981-05-20
IT8140430A1 IT8140430A1 (en) 1982-11-20
IT1155249B true IT1155249B (en) 1987-01-21

Family

ID=11249532

Family Applications (1)

Application Number Title Priority Date Filing Date
IT40430/81A IT1155249B (en) 1981-05-20 1981-05-20 CAST IRON REFINING PROCESS IN OXYGEN CONVERTERS WITH ADDITION OF MATERIALS CONTAINING SODIUM CARBONATE

Country Status (3)

Country Link
JP (1) JPS581010A (en)
BE (1) BE893249A (en)
IT (1) IT1155249B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61217515A (en) * 1985-03-22 1986-09-27 Nippon Kokan Kk <Nkk> Melting method for ultra-low phosphorus steel

Also Published As

Publication number Publication date
JPS581010A (en) 1983-01-06
IT8140430A1 (en) 1982-11-20
IT8140430A0 (en) 1981-05-20
BE893249A (en) 1982-09-16

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