Din 50961 Fe Zn 8b Link

This indicates the base metal or substrate. "Fe" stands for Ferrum , meaning the underlying material must be iron or steel.

: The German standard for electroplated zinc coatings on iron materials. It is used in conjunction with to specify corrosion resistance requirements. : Indicates the substrate material is iron or steel : Specifies a minimum zinc coating thickness of 8 micrometers ( (approx. 0.00031 inches). : Denotes a transparent (blue) chromate conversion coating (also known as blue trivalent passivation). GlobalSpec Core Features & Specifications: Appearance

However, the "Fe/Zn 8b" notation remains a standard shorthand in technical drawings, especially in German, Austrian, and central European manufacturing. din 50961 fe zn 8b

The shorthand is a layered code. Here is the exact breakdown of each character:

To ensure the quality of the coating, various tests are performed, including: This indicates the base metal or substrate

The specification refers to a standardized electroplated zinc coating on iron or steel parts. This specific code defines the base material, the coating metal, the minimum thickness, and the subsequent chemical treatment (chromating/passivation). Breakdown of the Specification

Common use cases include:

Parts that need a smooth surface for subsequent assembly or painting. 4. Critical Limitations Din 50961 Fe Zn 8b - Google Groups