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What is the molecular formula of chromium carbide formed due to the depletion of chromium in 18-8 stainless steel?

What is the molecular formula of chromium carbide formed due to the depletion of chromium in 18-8 stainless steel? Correct Answer Cr23C6

Intergranular corrosion in 18-8 stainless steel is due to the depletion of chromium content at the grain boundary. This results in the formation of chromium carbide (Cr23C6) at the grain boundary. Chromium depleted zone is highly prone to corrosion and it is known as intergranular corrosion.

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