CAST IRON Russian patent published in 2009 - IPC C22C37/10 

FIELD: metallurgy.

SUBSTANCE: invention relates to metallurgy field, particularly to contents of cast irons. Cast iron contains components in following ratio, wt %: carbon 3.9-4.1; silicon 0.01-0.05; manganese 0.01-0.05; chrome 0.01-0.05; nickel 0.12-0.16; titanium 0.05-0.09; magnesium 0.005-0.01; cerium 0.14-0.16; calcium 0.02-0.04; aluminium 0.2-0.26; copper 1.0-1.4; lithium 0.0001-0.0002; beryllium 0.0005-0.001; cobalt 0.1-0.16; iron - the rest.

EFFECT: usage of invention provides increasing of plasticity of cast iron.

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