In the food industries, it is the norm that equipment must not suffer high metal loss as this is a source of food contamination. Even micromil corrosion can produce metal ion pick-up that can result in changes in color, taste or smell of food products. The cleanability aspect requires highly polished surfaces without crevices that can be quickly disassembled for washing in strong decontamination solutions. From this point of view, the austenitic stainless steels have been widely used in the food, beverage and pharmaceutical industries for processing equipment. Stainless steels are especially desirable for their corrosion resistance and cleanability.

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