
Die casting of brass
Brass is undoubtedly the oldest of the materials used in die casting. It's the high copper content above all that makes this metal particularly suitable for the production of decorative casts, which can be polished to a mirror-like finish, chromium or nickel plated or subjected to bluing treatment. However, as a result of its excellent electricity conduction properties, its high resistance to corrosion and its good general mechanical characteristics, brass is also ideal for the production of casts for a wide range of industrial uses. It's a universal material, provided weight isn't a vital factor.
Die casting of zinc and its alloys
In spite of its excellent casting properties, zinc is mainly used in the production of one-off use anodes for nautical applications. And yet, in combination with aluminium it makes up one of the most widespread alloys in die casting: the zamak. This alloy's preferred for the production of low mechanical stress casts with complex geometrical characteristics, as it can be used to obtain very low thicknesses with limited ejection. In addition, the low cost and limited wear and tear on the moulds makes zinc-aluminium-magnesium alloy suitable for large series production. As the percentage of aluminium increases (>10%), this alloy takes on interesting mechanical characteristics and anti-friction properties similar to those of bronze.