CAST IRON Russian patent published in 1994 - IPC

FIELD: metallurgy. SUBSTANCE: cast iron containing carbon, silicon, magnesium, manganese, phosphorus, aluminium, copper, calcium, nitrogen has additionally cerium and calcium chloride at the following ratio of components, wt. -% : carbon 2.5-3.4; silicon 1.0-1.5; manganese 0.2-1.0; phosphorus 0.2-1.0; aluminium 1.5-2.5; copper 0.01-0.03; calcium 0.08-0.15; magnesium 0.08-0.1; nitrogen 0.01-0.03; cerium 0.3-0.4; calcium chloride 0.01-0.02, and iron - the rest. Cast iron is used as structural material. EFFECT: enhanced quality of cast iron. 2 tbl