CAST IRON Russian patent published in 2007 - IPC C22C37/10 

FIELD: ferrous metallurgy; composition of gray cast irons; manufacture of parts and equipment working under conditions of friction and excessive wear.

SUBSTANCE: proposed cast iron contains the following constituents, mass-%: carbon, 3.0-3.5; silicon, 0.7-1.3; manganese, 0.5-1.0; phosphorus, 0.04-0.08; cerium, 0.1-0.2; aluminum, 0.1-0.2; calcium, 0.005-0.01; titanium, 0.1-0.2; boron, 0.05-0.1; copper, 0.81.2; antimony, 0.03-0.05; nickel, 1.0-2.0; the remainder being iron.

EFFECT: enhanced wear resistance.

1 tbl