A professional who supervises and coordinates activities of workers engaged in operating open-hearth, electric-arc, or oxygen furnaces to produce steel. Respnsibilities include:

• Directs workers in charging furnace with specified raw material and in taking temperature tests of molten metal.
• Observes color of molten metal through cobalt-blue glasses, and orders changes in furnace temperature.
• Coordinates charging and melting with molding and pouring operations.
• Performs other duties as described under supervisor master title.
• May be designated according to type of furnace as Melter Supervisor, Electric-Arc Furnace; Melter Supervisor, Open-Hearth Furnace; Melter Supervisor, Oxygen Furnace.