Aluminum cast alloy used for cylinder heads, pistons of combustion engines, crank housings or engine blocks contains alloying additions of silicon, magnesium, titanium and vanadium

摘要

Aluminum cast alloy contains (in wt.%) 4.50-7.50, especially 5.00-6.00 silicon, 0.20-0.70 magnesium, 0.05-0.20 titanium, less than 0.20 iron, less than 0.50 manganese, less than 0.10-1.50 copper, less than 0.07 zinc, 0.05-0.15 vanadium, maximum 0.25 impurities and a balance of aluminum.