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This study researched the relationship between the applied potential and the critical pitting temperature (CPT) of the 304 and new 200 series of stainless steels.The fluctuation about the potential dependent CPT for the stainless steels was investigated and the CPT range was obtained.The difference between the potential dependent CPTs of the 304 and 200 series of stainless steels with an applied potential of 100 mV (vs SCE),were presented,and by this means the pitting corrosion resistances of them were compared.
This study studied the relationship between the applied potential and the critical pitting temperature (CPT) of the 304 and new 200 series of stainless steels. The fluctuation about the potential dependent CPT for the stainless steels was investigated and the CPT range was obtained. Difference between the potential dependent CPTs of the 304 and 200 series of stainless steels with an applied potential of 100 mV (vs SCE), were presented, and by this means the pitting corrosion resistances of them were compared.