GB746406A - Improvements relating to materials for addition to iron - Google Patents

Improvements relating to materials for addition to iron

Info

Publication number
GB746406A
GB746406A GB2194/54A GB219454A GB746406A GB 746406 A GB746406 A GB 746406A GB 2194/54 A GB2194/54 A GB 2194/54A GB 219454 A GB219454 A GB 219454A GB 746406 A GB746406 A GB 746406A
Authority
GB
United Kingdom
Prior art keywords
per cent
silicon
calcium
iron
addition
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
GB2194/54A
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.)
Mond Nickel Co Ltd
Original Assignee
Mond Nickel Co 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 Mond Nickel Co Ltd filed Critical Mond Nickel Co Ltd
Publication of GB746406A publication Critical patent/GB746406A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C28/00—Alloys based on a metal not provided for in groups C22C5/00 - C22C27/00

Landscapes

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

Abstract

An addition agent for molten iron, suitable for the promotion of spheroidal graphite in the iron casting, consists of or includes a composition containing: Mg 10-25 per cent; Ca 3-14 per cent; Fe up to 30 per cent; rare earth metals 0-8 per cent; Si with impurities the balance; the ratio Mg/Ca being between 1,3 and 5,5. The impurities can include: Ni up to 1 per cent; Co up to 1 per cent; Mn up to 0,5 per cent; Cu up to 1 per cent; Al up to 3 per cent. The addition agent may be an alloy having the above composition or a briquette of powdered ingredients, e.g. magnesium, ferrosilicon and calcium-silicon, with a binding agent. In a preferred method of making the alloy, one half of the calcium-silicon required to provide the desired calcium content is charged into an induction furnace, the ferro-silicon is added and the remaining calcium-silicon is charged. When the charge is molten the magnesium is added. Specifications 630,070 and 672,618 are referred to.
GB2194/54A 1953-01-23 1954-01-25 Improvements relating to materials for addition to iron Expired GB746406A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US746406XA 1953-01-23 1953-01-23

Publications (1)

Publication Number Publication Date
GB746406A true GB746406A (en) 1956-03-14

Family

ID=22120730

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2194/54A Expired GB746406A (en) 1953-01-23 1954-01-25 Improvements relating to materials for addition to iron

Country Status (1)

Country Link
GB (1) GB746406A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0108107A1 (en) * 1982-04-21 1984-05-16 Foote Mineral Co Magnesium ferrosilicon alloy and use thereof in manufacture of nodular cast iron.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0108107A1 (en) * 1982-04-21 1984-05-16 Foote Mineral Co Magnesium ferrosilicon alloy and use thereof in manufacture of nodular cast iron.
EP0108107A4 (en) * 1982-04-21 1985-02-28 Foote Mineral Co Magnesium ferrosilicon alloy and use thereof in manufacture of nodular cast iron.

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