IRON Russian patent published in 2008 - IPC C22C37/08 

FIELD: metallurgy, iron and steel industry.

SUBSTANCE: invention refers to iron and steel industry, particularly to compositions of chromium iron. It can be used for production of casts operating under heavy impact loads. Iron contains, mas.%: carbon 2.2-2.6; silicon 0.05-0.1; manganese 0.4-0.8; chromium 8.0-10.0; vanadium 0.8-1.2; nickel 3.0-5.0; titanium 0.1-0.3; niobium 1.0-2.0; cobalt 10.0-15.0; hafnium 0.5-1.5; iron - the rest. Iron possesses high fracture strength.

EFFECT: producing iron of high fracture strength.

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