In modern times, steel making methods mainly include converter steel making.
Open hearth furnace steel making and electric furnace steel making.
Open hearth furnace steel making have been eliminated. The difference between electric furnace and converter steel making is that electric furnace takes electric energy as heat source, and this is used mostly now.
EAF steel making is an arc generated by discharge between the electrodes and the furnace charge, which turns the electric energy into thermal energy in the arc light, the metal and slag are heated and melted by direct action of radiation and arc, to making steel and alloys of various components.