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

FIELD: ferrous metallurgy, namely cast iron compositions, possibly manufacture of articles used in power machine engineering, electrical engineering and motor vehicle manufacture.

SUBSTANCE: cast iron contains, mass.%: carbon, 2.8 - 3.8; silicon, 2.0 - 3.0; manganese, 0.8 - 1.2; chrome, 0.3 - 1.0; nickel, 4.0 - 5.0; titanium, 0.05 - 0.15; aluminum, 0.06 - 0.08; molybdenum, 3.5 - 4.5; calcium, 0.01 - 0.05; vanadium, 0.15 - 0.45; copper, 0.8 - 1.5; magnesium, 0.03 - 0.07; nitrogen, 0.05 - 0.1l; iron, the balance.

EFFECT: high strength of cast iron.

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