| Job Title |
Case Hardener |
| Job Description |
Controls Furnace To Harden Surface Of Steel Objects, Using Any
Of Following Methods: (1) 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. 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. May
Be Designated According To Article Case-hardened As Die Case
Hardener (heat Treating); Or By Process Used As Cyanide Furnace
Operator (heat Treating).
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