CAST IRON Russian patent published in 2008 - IPC C22C37/06 

FIELD: ferrous metallurgy.

SUBSTANCE: invention relates to compositions of cast iron. Proposed cast iron comprises components taken in the following ratio, wt.-%: carbon, 3.8-4.2; silicon, 0.8-1.2; manganese, 1.0-1.5; titanium, 0.2-0.4; phosphorus, 0.008-0.012; tellurium, 0.001-0.003; aluminum, 0.15-0.3; boron, 0.04-0.08; zirconium, 0.2-0.4; calcium, 0.004-0.008; chrome carbides, 0.3-0.5; cerium, 0.1-0.2, and iron, the balance. Using the invention provides the enhanced thermal stability of cast iron.

EFFECT: improved and valuable properties of cast iron.

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