CAST IRON

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FIELD : metallurgy.SUBSTANCE : invention concerns metallurgy field. Particularly it concerns cast irons content. Cast iron contains components in a following ratio, wt % : carbon 3.0-3.4; silicon 1.4-2.0; manganese 0.03-0.09; rare-earth metals 0.15-0.25; nickel 0.4-0.8; cobalt 0.4-0.8; iron - the rest.EFFECT : increasing of cast iron thermostability.1 tbl