Job Description:

• 1) Controls furnace to harden surface of steel objects, using any of following methods: Places objects in wire basket and immerses them in heated chemical bath, such as sodium cyanide.

• 2) Packs objects in metal boxes filled with carbonaceous material, such as coke, coal, bone charcoal, or barium carbonate, and charges boxes into furnace.

• 3) Charges objects into furnace and opens valves to circulate carbon-rich gas, such as methane, around objects during heating process.

• 4) Removes objects from bath or furnace and quenches objects in oil, water, or brine, or allows objects to cool to predetermined temperature before quenching, depending on metal properties specified.

• 5) May be designated according to article case-hardened as Die Case Hardener; or by process used as Cyanide Furnace Operator.