CAST IRON Russian patent published in 2008 - IPC C22C37/10 

FIELD: ferrous metallurgy.

SUBSTANCE: invention relates to compositions of cast iron. Proposed cast iron comprises components taken in the following ratio, wt.-%: carbon, 2.8-3.2; silicon, 1.0-1.5; manganese, 0.5-1.0; chrome, 0.5-1.0; nickel, 0.8-1.2; copper, 0.5-1.2; titanium, 0.03-0.08; vanadium, 0.8-1.2; boron, 0.03-0.05; niobium, 0.8-1.2; magnesium, 0.005-0.01, and iron, the balance. Using the invention provides the enhanced fatigue strength of cast iron.

EFFECT: improved and valuable properties of cast iron.

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