Treatment of molten iron makes it possible to:
- prevent appearance of chilling defects in thin-walled castings
- promote uniform distribution of graphite in the structure of the melt
- enhance the mechanical properties of cast iron
- neutralize the harmful influence of nitrogen that leads to the formation of gas- and shrinkage-related porosity defects.
Addition of manganese to the ZIRCALLOY®Super inoculant makes it possible to slow down the weakening of the spheroidizing effect during long periods of pouring large amounts of molten metal into pouring ladles.
Standard sizes of inoculant particles:
- 0.5-6 mm for inoculants introduced into the molten metal as it enters a ladle
- 0.2-0.8 mm for inoculants introduced into the molten metal as it enters a mold
In the case when molten metal is poured into a ladle, 1-3 kg of inoculants is consumed per 1 t of iron. In the case when molten metal is poured into a mold, twice as small an amount of inoculants may be consumed.