7.6 Korrosion und Korrosionsschutz
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Protective passive coatings of stainless-steel piping systems and tanks in chemical plants are at risk – and not only from the harsh conditions prevalent during production operations. Even in new systems, defects can be caused by grinding or by incomplete removal of temper colours after welding. TÜV SÜD Chemie Service participated in the assessment of a rapid test for corrosion developed by the German Institute for Materials Research and Testing (Bundesanstalt für Materialforschung und -prüfung, BAM). In only 15 minutes, KorroPads deliver valid information about the condition of passive coatings on material surfaces.