The most important process parameter is the alloy itself.
The composition and physical characteristics of the alloy are
of paramount importance due to their direct effects on the
die life. These include the melting temperature, and thermal
conductivity of the alloy together with the combined effect
of the heat-transfer coefficient and soldering onto the die
material. Furthermore, the alloy dictates the selection of
casting parameters such as die temperature, which has direct
consequence on the die life. Therefore, squeeze casting is
usually employed for low melting temperature alloys of
aluminium and magnesium.