casting a crankcase calls for 16 tons of material hot hard work for the smelters who have to keep a constant eye on the temperature only when the molten metal has reached a temperature of 1500 degrees is it ready to be transported to the mold here we have a measuring sleeve made of press board inserted at the front here is a thermal element it's attached to a measuring probe and used to measure the temperature of the melt every steelworks has its own recipe time and again the smelters add this or that material the better the composition of