After
cold forming, steel balls are subject to
Normalizing
Tempering
Electroplating
Stress relieving
Stress relieving
After
cold forming the steel balls are subjected to stress relieving by annealing
process.
Hence, the correct option is (D)
&Key Points:-
Annealing
is the treatment of a metal or alloy by heating to a predetermined temperature
and then cooling to room temperature.
Annealing
helps in :
●Improving
ductility
●Reducing
brittleness
●Relieving
the internal stress
●Inducing
softness
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