Method of manufacturing compacted graphite cast iron
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United States of America Patent
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Jun 17, 1997
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N/A
app pub date -
Jan 28, 1993
filing date -
May 28, 1990
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Abstract
A method of manufacturing compacted graphite cast iron, in which graphite modifying alloying agents, in the form of a so-called treatment alloy, are added to low-sulphurous molten cast iron. The treatment alloy is added to the molten iron by being sprayed into a jet of the molten iron as the latter is being discharged from a casting furnace. A dosed amount of treated iron is maintained for a predetermined period of time inside a casting box for homogenization and slag flotation, whereupon it is poured into a casting mold.
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