Method for producing spheroidal graphite cast iron
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United States of America Patent
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Issued Date -
Feb 12, 2004
app pub date -
Jul 18, 2003
filing date -
May 26, 2000
priority date (Note) -
Abandoned
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Abstract
A method for producing high-purity spheroidal graphite cast iron. The method comprises at least the steps of pretreating the melt in a closed converter and adding an inocculant when casting it into the mold. The solubility of the substances formed during the pretreatment and during the addition of the inocculant an be adjusted. The nucleation in the melt and the solidification in the mold can be brought into conformity by coordinating the pretreatment and the addition of inocculant.
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