GB642086A - A method of removing carbon from steel - Google Patents

A method of removing carbon from steel

Info

Publication number
GB642086A
GB642086A GB15411/46A GB1541146A GB642086A GB 642086 A GB642086 A GB 642086A GB 15411/46 A GB15411/46 A GB 15411/46A GB 1541146 A GB1541146 A GB 1541146A GB 642086 A GB642086 A GB 642086A
Authority
GB
United Kingdom
Prior art keywords
steel
slag
reaction mixture
exothermic reaction
iron oxide
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
GB15411/46A
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.)
Chromium Mining and Smelting Corp Ltd
Original Assignee
Chromium Mining and Smelting Corp 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 Chromium Mining and Smelting Corp Ltd filed Critical Chromium Mining and Smelting Corp Ltd
Publication of GB642086A publication Critical patent/GB642086A/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
    • C21C7/068—Decarburising

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

In a method of reducing the carbon content of steel in which molten steel is maintained under a slag of calcium oxide and a high iron oxide content (i.e. 35 per cent or more, by weight), an exothermic reaction mixture, capable of yielding on ignition an alkali metal oxide which reacts with one or more components of the slag to promote reaction between the carbon in the steel and the iron oxide in the slag and in the steel, is added. The exothermic reaction mixture may comprise an oxidizing material and a non-carbonaceous reducing material and may be sodium nitrate and ferro-silicon in the form of small agglomerates, the constituents being bonded together with water, moulded and then dried. Reference has been directed by the Comptroller to Specification 545,481.
GB15411/46A 1945-10-22 1946-05-21 A method of removing carbon from steel Expired GB642086A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US642086XA 1945-10-22 1945-10-22

Publications (1)

Publication Number Publication Date
GB642086A true GB642086A (en) 1950-08-30

Family

ID=22054294

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15411/46A Expired GB642086A (en) 1945-10-22 1946-05-21 A method of removing carbon from steel

Country Status (3)

Country Link
BE (1) BE465772A (en)
FR (1) FR941651A (en)
GB (1) GB642086A (en)

Also Published As

Publication number Publication date
BE465772A (en)
FR941651A (en) 1949-01-18

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