Critical life cycle inventory for aluminum die casting: A lightweight ...
The average lifetime of the die was 80,000 times. The shared energy and CO 2 emission for one die cast are 3.0 kWh and 1.0 kg for the box-type parts, and 8.3 kWh and 3.1 kg for the structural parts, respectively. 2.2.2. Melting. Natural gas shaft melting furnaces are prevalent in current Al DC factories worldwide.