DIN Standards Committee Materials Testing
ISO 23721
Corrosion of metals and alloys - Rating method by appearance of rust and stains of atmospheric corrosion for stainless steels
Korrosion von Metallen und Legierungen - Bewertungsmethode anhand des Aussehens von Rost und Flecken atmosphärischer Korrosion für Edelstahl
Responsible national committee
NA 062-01-77 AA - Corrosion testing
Responsible international committee
ISO/TC 156/WG 4 - Atmospheric corrosion testing and classification of corrosivity of atmosphere