ALUMINUM ALLOY FOR DIE CASTINGS AND PRODUCTION PROCESS OF ALUMINUM ALLOY CASTINGS

摘要

The present invention provides a primary composition (castability) and superior corrosion resistance of aluminum alloys for die-casting (die cast). ; The content of Mn, Fe and Cu contained in the aluminum alloy die cast components for which it was found that having a great influence on the corrosion resistance of aluminum alloys. ; Therefore, this aluminum alloy for die casting of the invention, Si: 9.0~12.0 wt%, Mg: 0.20~0.80 weight%, and Mn + Fe: 0.7 to 1.1 and containing a weight% ratio of 1.5 or more of the Mn / Fe, impurities as Cu is regulated to less than 0.5 wt%, the balance being made of aluminum and unavoidable impurities. ; Die-cast aluminum alloy, aluminum alloy castings