CAST IRON Russian patent published in 2007 - IPC C22C37/10 

FIELD: ferrous metallurgy; production of the cast iron compositions with good impact resilience.

SUBSTANCE: the invention is pertaining to the field of metallurgy, in particular, to the compositions of the cast irons. The cast iron contains the components in the following ratio(in mass %): carbon - 3.0-3.5; silicon - 1.0-1.5; manganese - 0.5-1.0; phosphor - 0.1-0.2; calcium - 0.002-0.004; titanium - 0.1-0.2; boron - 0.005-0.01; copper - 0.8-1.2; molybdenum - 4.8-5.2; vanadium - 1.2-2.2; iron - the rest. The invention ensures the increased strength of the cast iron.

EFFECT: the invention ensures the increased strength of the cast iron.

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