... Alloy ADC-12 (380/383) Die Casting, A Brief Description Die casting is a manufacturing process in which ... is injected, under pressure, into a hardened steel die or also called mold. Dies are often water ... -cooled. Dies are then opened, and the die castings are ejected (many times thousands of parts ... hundred). Once the tooling is paid for, die casting is a very inexpensive aluminum part manufacturing ...