CAST IRON Russian patent published in 1995 - IPC

FIELD: metallurgy. SUBSTANCE: cast iron containing carbon, silicon, manganese, phosphorus, rare-earth elements, magnesium, alkaline-earth elements, chrome and iron has additionally aluminium and nickel. Components of cast iron were taken at the following ratio, wt.-%: carbon 2.0-3.6; silicon 2.5-3.5; manganese 0.1-1.5; phosphorus 3.0-3.5; rare-earth elements 0.01-0.03; alkaline-earth elements 0.001-0.035; magnesium 0.02-0.06; chrome 0.04-0.5; aluminium 0.1-0.5; nickel 0.01-1.1, and iron - the rest. EFFECT: enhanced quality of cast iron. 1 tbl