Inter Granular Corrosion in Carbon Steels

[Zacharias Rohith Joseph]

Hello everyone., 

Can someone pls explain the possibility of IGC in carbon steels. I was of the opinion that the same is more predominant  in exotic steels  like nickel or chrome based. 

what can be possibility of IGC occurring in carbon steels? 

[Vishwas Keskar]

Carbon steel is not used when corrosion is envisaged in equipment service .

IGC is observed in TYP 304 materials  

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[Vinay Thattey]

Dear Friend ,  The IGSCC or intergranular stress  corrosion is attributed to precipitation of chromium carbide at grain boundary. Also a favourable environment and a temperature range for sufficient time period boosts IGSCC .