DIN 50961 has been largely superseded by DIN EN ISO 4042 (for fasteners) and DIN EN 12329 (for general steel parts). However, many legacy drawings and specifications still reference DIN 50961. When converting, Fe/Zn 8b is typically equivalent to Fe/Zn 8c2C (with Cr(III) passivation) under the newer standards.
(I used the 2019 version of the standard, but you should verify which version is currently active) din 50961 fe zn 8b
: Prevents "white rust" (oxidation of the zinc itself) and increases the durability of the finish. DIN 50961 has been largely superseded by DIN
: The supplementary treatment, specifically indicating bright (blue) chromating . 2. Understand the coating thickness din 50961 fe zn 8b