Enamelled steel

1. Low alloyed or unalloyed steels with coatings i.e. glass lining

2. Corrosion will start at uncoated spots

4. Restrictions for anode efficiency

5. Various requirements for anode usage

Stainless steel

Stainless steel can corrode

       1. Critical water conditions

        2. Improper processing can lead to corrosion damages

        3. Unsuitable quality