Typical magnesium alloys for die casting
Magnesium is another popular choice for die casting. Other elements in magnesium alloys include aluminum, zinc, manganese, and silicon. It’s not only lighter than aluminum but also more machinable, making it a good fit for objects that require additional machining or surface finishing post-casting.
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Die casting magnesium alloys are easier to cast compared to metals like aluminum mainly due to their fit with the hot-chamber die casting process. Here are some typical magnesium alloys used in die casting.
- AZ91D: An ideal combination of high strength-to-weight ratio, serious corrosion resistance, and castability makes this alloy popular for powertrain components and mechanical parts.
- AM60: A mix of strength, ductility, vibration damping, and good castability makes AM60 the go-to choice for automotive parts like panels and seat frames.
- AS41B and AE42: These unique rare earth alloys exhibit high-temperature resistance and offer great creep, corrosion, and ductility resistance. But they are expensive.
