Die casting can be used for metals with a lower melt point, such as white metal, aluminum, etc. Die casting is able to have more detail in the molds.
Sand casting is usually used for ferrous castings, as the dies are usually a steel alloy and, will survive casting metals with a lower melting point. Sand castings is likely the easiest, and cheapest way to cast ferrous metals.
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Brad Yost
1973 T/A (SOLD)
2005 GTO
1984 Grand Prix
100% Pontiacs in my driveway!!! What's in your driveway?
If you don't take some of the RACETRACK home with you, Ya got cheated 
  
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