Die casting injects molten metal — typically aluminum, zinc, or magnesium — under high pressure into a steel mold to produce complex, high-volume metal parts fast. Tooling cost is significant, so it’s a process chosen once volume justifies it.
Die casting tooling runs into tens of thousands of dollars, so it only makes sense once production volume is high enough to amortize it — typically several thousand units and up.
Related terms: hot chamber die casting, cold chamber die casting, aluminum die casting alloys, zinc die casting alloys, magnesium die casting, porosity control, die tooling design, trimming and deflashing, secondary machining of cast features
Die casting’s volume-and-complexity sweet spot maps onto a few large industries.
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