GB868561A - Improvements in or relating to cast iron - Google Patents

Improvements in or relating to cast iron

Info

Publication number
GB868561A
GB868561A GB4281059A GB4281059A GB868561A GB 868561 A GB868561 A GB 868561A GB 4281059 A GB4281059 A GB 4281059A GB 4281059 A GB4281059 A GB 4281059A GB 868561 A GB868561 A GB 868561A
Authority
GB
United Kingdom
Prior art keywords
magnesium
calcium
cast iron
silicon
magnesium alloy
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
GB4281059A
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.)
Meehanite Metal Corp
Original Assignee
Meehanite Metal Corp
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 Meehanite Metal Corp filed Critical Meehanite Metal Corp
Priority to GB4281059A priority Critical patent/GB868561A/en
Publication of GB868561A publication Critical patent/GB868561A/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
    • C21C1/10—Making spheroidal graphite cast-iron

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)

Abstract

A process for producing cast iron containing nodular graphite and less than 0.04% magnesium comprises adding to the molten cast iron calcium silicide, calcium fluoride and a magnesium alloy, the amount of magnesium alloy being in excess of that required to produce more than 0.04% magnesium and the amounts of calcium silicide and calcium fluoride being such that less than 0.04% of magnesium is retained and casting the metal. The magnesium alloy may be a magnesium ferro-silicon containing 8% magnesium, and 1% of each of the magnesium alloy, calcium silicon and calcium fluoride may be added to the melt. The melt is preferably low in sulphur though not necessarily so and, if required, ferro-silicon may be added as a graphitizer.
GB4281059A 1959-12-16 1959-12-16 Improvements in or relating to cast iron Expired GB868561A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4281059A GB868561A (en) 1959-12-16 1959-12-16 Improvements in or relating to cast iron

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4281059A GB868561A (en) 1959-12-16 1959-12-16 Improvements in or relating to cast iron

Publications (1)

Publication Number Publication Date
GB868561A true GB868561A (en) 1961-05-17

Family

ID=10426070

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4281059A Expired GB868561A (en) 1959-12-16 1959-12-16 Improvements in or relating to cast iron

Country Status (1)

Country Link
GB (1) GB868561A (en)

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