GB514951A - Improvements in or relating to the manufacture of grey cast iron - Google Patents

Improvements in or relating to the manufacture of grey cast iron

Info

Publication number
GB514951A
GB514951A GB1457538A GB1457538A GB514951A GB 514951 A GB514951 A GB 514951A GB 1457538 A GB1457538 A GB 1457538A GB 1457538 A GB1457538 A GB 1457538A GB 514951 A GB514951 A GB 514951A
Authority
GB
United Kingdom
Prior art keywords
carbon
cast iron
per cent
iron
bath
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
GB1457538A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB514951A publication Critical patent/GB514951A/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
    • C21C1/00—Refining of pig-iron; Cast iron
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)

Abstract

514,951. Cast iron. DANIELS, F. C. T. May 16, 1938, No. 14575. Convention date, April 8. [Class 72] In the production of grey cast iron, a bath furnace, e.g., an open hearth or electric furnace, is charged with pig iron or. scrap iron, the bath. is brought to substantially above its teeming temperature so as to reduce the carbon content to that appropriate for a white cast iron, the carbon being in a state of extreme dispersion and when the charge is ready for teeming mixing therewith 2.5-25 per cent. of the weight of the total charge of a molten ferrous metal prepared in a cupola and having a high positive graphitising content and containing a proportion of carbon higher than that ultimately desired. In an example 80 per cent. of low carbon metal containing 2.55 per cent. of carbon is mixed with 20 per cent. of molten ferrous metal containing 4.30 of carbon, the final product containing 2.90 of carbon.
GB1457538A 1938-04-08 1938-05-16 Improvements in or relating to the manufacture of grey cast iron Expired GB514951A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US514951XA 1938-04-08 1938-04-08

Publications (1)

Publication Number Publication Date
GB514951A true GB514951A (en) 1939-11-22

Family

ID=21971651

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1457538A Expired GB514951A (en) 1938-04-08 1938-05-16 Improvements in or relating to the manufacture of grey cast iron

Country Status (1)

Country Link
GB (1) GB514951A (en)

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