: The German industrial standard for electroplated zinc and cadmium coatings on iron and steel. Note that this has largely been superseded by international standards like ISO 2081 . Fe : Indicates the substrate material is iron or steel .
– Blue passivation (b) provides very low corrosion resistance. It is mainly for short-term indoor use or as a paint base. For outdoor or humid conditions, use yellow (c) or thicker coatings (e.g., 12 µm).
When ordering or specifying this finish, keep the following in mind: Din 50961 Fe Zn 8b - Google Groups