FIELD: metallurgy.
SUBSTANCE: in cast iron properties influence method there measured by addition of magnesium to cast iron melt is content of oxygen in cast iron melt; at that, to cast iron melt there added is magnesium till oxygen content in cast iron melt at temperature of about 1420°C is about 0.005-0.2 ppm. At that, magnesium is added till oxygen content is less than 0.1 ppm, preferably between 0.08 and 0.1 ppm.
EFFECT: invention provides the possibility of purposeful influence on mechanical properties of cast iron in liquid phase, at more accurate analysis of mechanical properties.
7 cl, 4 dwg
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