CAST IRON Russian patent published in 1994 - IPC

FIELD: metallurgy. SUBSTANCE: cast iron has the following composition, wt. -% : carbon 3.2-3.8; silicon 1.0-1.7; manganese 0.2-0.9; titanium 0.8-1.3; tin 0.01-0.03; copper 0.2-0.4; zinc 0.01-0.05; zirconium 2.0-3.2; tungsten 0.8-1.5, and iron - the rest. Positive effects: enhanced thermal stability, hardness, wear-resistance, corrosion stability of cast iron. Exploitation period of cast iron articles is increased, region of theirs utilization is enlarged. Cast iron is used for metallurgic equipment making. EFFECT: enhanced quality of cast iron. 1 tbl