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GB1288872A - - Google Patents

Info

Publication number
GB1288872A
GB1288872A GB1869370A GB1288872DA GB1288872A GB 1288872 A GB1288872 A GB 1288872A GB 1869370 A GB1869370 A GB 1869370A GB 1288872D A GB1288872D A GB 1288872DA GB 1288872 A GB1288872 A GB 1288872A
Authority
GB
United Kingdom
Prior art keywords
lime
composition
fluorspar
april
parts
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
Application number
GB1869370A
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 filed Critical
Publication of GB1288872A publication Critical patent/GB1288872A/en
Expired 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Treatment Of Steel In Its Molten State (AREA)

Abstract

1288872 Desulphurizing ferrous metals FOSECO INTERNATIONAL Ltd 19 April 1971 [20 April 1970] 18693/70 Headings C7D and C7M To the molten metal there is added a non- exothermic composition comprising lime, fluorspar and sodium carbonate, the mixture having a chloride content not exceeding 0À25%. The composition may contain 40-80% of lime, while a preferred composition is lime 45-65 parts fluorspar 25-35 sodium carbonate 10-30 parts. The addition may be made to metal in the ladle prior to teeming.
GB1869370A 1970-04-20 1970-04-20 Expired GB1288872A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1869370 1970-04-20

Publications (1)

Publication Number Publication Date
GB1288872A true GB1288872A (en) 1972-09-13

Family

ID=10116805

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1869370A Expired GB1288872A (en) 1970-04-20 1970-04-20

Country Status (4)

Country Link
US (1) US3748121A (en)
CA (1) CA928081A (en)
DE (1) DE2118918A1 (en)
GB (1) GB1288872A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3015079A1 (en) * 1979-04-19 1980-11-06 Foseco Int METHOD FOR DESULFURING MELTED STEEL OR MELTED IRON

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4014684A (en) * 1973-11-27 1977-03-29 Foseco International Limited Manufacture of steel
US4014685A (en) * 1973-11-27 1977-03-29 Foseco International Limited Manufacture of steel
CA1060214A (en) * 1974-02-27 1979-08-14 Masaru Takashima Method for desulfurizing molten iron
GB1461428A (en) * 1974-11-20 1977-01-13 Magnesium Elektron Ltd Addition of magnesium to molten metal
US4097269A (en) * 1975-01-14 1978-06-27 Inteco Internationale Technische Beratung Gesellschaft M.B.H. Process of desulfurizing liquid melts
US3998625A (en) * 1975-11-12 1976-12-21 Jones & Laughlin Steel Corporation Desulfurization method
US4314847A (en) * 1980-06-23 1982-02-09 Nisshin Steel Company, Ltd. Process for dephosphorization and denitrification of chromium-containing iron
US4405364A (en) * 1981-05-20 1983-09-20 Nuova Italsider S.P.A. Process of refining iron in oxygen converters with additions of materials containing sodium carbonate

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1156845A (en) * 1966-08-16 1969-07-02 Foseco Int Improvements in or relating to Metal Casting.
GB1170168A (en) * 1967-03-17 1969-11-12 Foseco Int Treatment of Molten Metal.
BE718288A (en) * 1967-07-27 1968-12-31

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3015079A1 (en) * 1979-04-19 1980-11-06 Foseco Int METHOD FOR DESULFURING MELTED STEEL OR MELTED IRON
US4274869A (en) * 1979-04-19 1981-06-23 Foseco International Limited Desulphurization of metals

Also Published As

Publication number Publication date
CA928081A (en) 1973-06-12
US3748121A (en) 1973-07-24
DE2118918A1 (en) 1971-11-04

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee