A furnace doesn't just output cold usable results. You need to wait for them to cool down.
Mods introducing new content into the game.
Furnaces, assembling machines, production chains.
Currently, smelting crushed ore produced from Crushing Industry results in normal metal plates instead of the hot plates from normal ore. It feels like something that is thematically appropriate to support.
That is only true for crushed gold. A fixes is coming today.
Thanks!