Die Casting Basics — How It Works

Die casting is a metal casting process where molten metal is injected under high pressure into a steel mold (die). The process produces precision metal parts with excellent surface finish, dimensional accuracy, and thin-wall capability.

Hot Chamber vs Cold Chamber

Feature	Hot Chamber	Cold Chamber
Metals	Zinc, magnesium, lead	Aluminum, copper, magnesium
Injection System	Submerged in molten metal	Separate holding furnace
Cycle Time	Faster (2–10 sec)	Slower (5–30 sec)
Pressure	150–500 bar	300–1200 bar
Best For	Small to medium parts	Large parts, aluminum alloys