If you need an equivalent with better protection while keeping 8 µm thickness, specify or a top coat (sealer) .
This article is for informational purposes only. Always consult the full standard documents and your surface treatment specialist for specific application requirements. din 50961 fe zn 8b
represents the minimum thickness of the zinc layer in micrometers (µm). A thickness of 8µm is considered a standard "medium" coating. It is thick enough to provide significant resistance to red rust in indoor or mildly outdoor environments, but thin enough to avoid interfering with the tolerances of fine-threaded screws or precision machinery. 5. The Chromate Treatment: B The final letter, If you need an equivalent with better protection
is a retired German standard (superseded by DIN EN ISO 2081) that specified requirements for electroplated zinc coatings on iron and steel parts. Although replaced, the nomenclature remains widely used in legacy drawings, automotive, and industrial fasteners across Europe. represents the minimum thickness of the zinc layer