The phenomenon of weld decay occurs
in:
Cast iron
Brass
Bronze
Stainless steel
Stainless steel
●Weld decay is a form of intergranular
corrosion, usually of stainless steels or certain nickelbasedalloys
that occurs as the result of sensitization in the heat-affected zone
during the welding operation.
●Weld decay can be prevented by the
use of low carbon grades of stainless steel.
Hence, the correct option is (D).
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