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       CODE: 512.362-010 Buy the DOT:Download/CD-ROM
TITLE(s): FIRST HELPER (steel & rel.) alternate titles: melter assistant; open-hearth-furnace
operator
Operates open-hearth furnaces to produce specified types of steel: Examines raw materials for
conformance to specifications. Signals CHARGING-MACHINE OPERATOR (steel & rel.) to place materials
in furnace. Turns fuel, air, and steam controls to adjust fuel mixtures and draft. Moves levers to
circulate gas throughout furnace to distribute heat and prevent burning out of furnace walls.
Signals OVERHEAD CRANE OPERATOR (any industry) 921.663-010 to pour molten metal in furnace. Obtains
sample of metal, using long-handled spoon, and pours sample into test mold. Tests sample for carbon
content, using carbon analyzer. Moves controls to open furnace doors, and shovels additives, such as
fluorspar, lime, and alloys, into furnace to obtain specified type of steel. Determines temperature
of metal, using thermocouple. Observes color of molten metal through cobalt-blue glasses to
determine when to tap furnace and notifies MELTER SUPERVISOR (steel & rel.). Directs crew in tapping
furnace and adding specified additives to ladle. Records operational data on forms. Examines furnace
to determine repairs needed, and directs crew in repairing furnace walls and flooring.
GOE: 06.02.10 STRENGTH: H GED: R3 M2 L2 SVP: 6 DLU: 77
ONET CROSSWALK: 91935 Furnace Operators and Tenders
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