Din 50961 Fe Zn 8b -

Let’s break it down:

The technical specification DIN 50961 Fe/Zn 8b defines a specific electroplated zinc coating on iron or steel. This standard has largely been superseded by DIN EN ISO 2081 din 50961 fe zn 8b

The lowercase letter defines the conversion coating after zinc plating: Let’s break it down: The technical specification DIN