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8123 METAL-HEAT-TREATING-PLANT OPERATORS
 


    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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 Updated 19 September 2004, by VA.