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| 8123 METAL-HEAT-TREATING-PLANT OPERATORS
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Metal-heat-treating-plant operators operate and monitor
plant altering the physical properties of metal objects by
heating, cooling and chemical treatment.
Tasks include -
(a) operating and monitoring furnaces which heat and cool metal
objects to relieve internal stresses, restore ductility and
refine grain structure;
(b) operating and monitoring furnaces which harden steel
objects;
(c) operating and monitoring plant which imparts a hard skin and
tough, ductile core to steel objects by treating them with
chemicals, heating and quenching or cooling them;
(d) operating and monitoring furnaces which reheat hardened
steel objects to relieve stresses and to impart toughness;
(e) performing related tasks;
(f) supervising other workers.
Examples of the occupations classified here:
- Annealer
- Furnace-operator, hardening/metal
- Furnace-operator, heat-treating/metal
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