Cast iron charcoal grills are cooking systems made of cast iron and fueled by charcoal. However, the manufacturing material is the defying feature of these devices. The particularities that make all cast iron charcoal grills stand out of the ordinary come from the additional grilling benefits that cast iron bring forth. In order to understand the advantages of grilling devices made of cast iron, we should see first what cast iron really means. It is an alloy of carbon and iron mainly used for grates manufacturing.