CAST IRON

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FIELD : metallurgy.SUBSTANCE : invention relates to metallurgy, particularly to cast iron composition. Cast iron contains components in the following ratio, wt % : carbon 3.8-4.0; silicon 1.4-1.6; manganese 0.15-0.25; rare-earth metals 0.08-0.12; vanadium 2.0-2.4; cobalt 1.4-1.8; the rest is iron.EFFECT : enhanced thermal resistance of cast iron.1 tbl