| 摘要 |
PURPOSE: An aluminum alloy for die casting and an aluminum sub-frame for a vehicle using the same are provided to obtain improved durability including shock resistance, rigidity, and elongation by controlling the composition ratio of aluminum, silicon, iron, manganese, magnesium, titanium, strontium, molybdenum, and zirconium. CONSTITUTION: An aluminum alloy for die casting comprises 86-89 weight% of aluminum, 9.7-10.7 weight% of silicon, 0.45-0.7 weight% or iron, 0.1 -0.6 weight% of manganese, 0.25-0.35 weight% of magnesium, 0.1-0.2 weight% of titanium, 0.01- 0.03 weight% of strontium, 0.05-0.3 weight% of molybdenum, 0.05-0.2 weight% of zirconium, and inevitable impurities.
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