Metal Melt amp; Pour: Life of a Casting | Reliance Foundry
Heat and oxygen might be added to speed the process. As molten metal starts to form, the voltage can be turned up, as the slag created on top of the metal acts like a protective blanket for the roof and other components of the EAF. When everything is melted, the whole furnace is tilted, to discharge the liquid metal to a ladle below.