Is it possible to compare the resistance to chloride attack of several materials of construction?

Is it possible to compare the resistance to chloride attack of several materials of construction?
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1 Answer

Answer :

The Pitting Resistance Equivalent Index (PRE) can be used for such a comparison if the chemical make up of each material is known. The formula for the PRE is PRE = % Cr + (3.3 x % Mo) + (30 x % N).
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