High temperature resistant aluminum casting alloy for use in engine core construction units, ingot pouring, engine block, cylinder head, crankcase and in automotive industry, consists of various metals

摘要

The high-temperature resistant aluminum casting alloy consists of 4.5-7.5 wt.% silicon, 0.2-0.55 wt.% magnesium, 0.03-0.50 wt.% zirconium or 0.03-1.50 wt.% hafnium, max. 0.20 wt.% titanium, less than 0.30 wt.% iron, less than 0.5 wt.% manganese, 0.1-1.00 wt.% coppers, less than 0.07 wt.% zinc as well as aluminum as remainder and other impurities max. 0.03 wt.%, altogether 0.1 wt.%.