Din 50961 Fe Zn 8b -

DIN 50961 Fe / Zn 8 / B │ │ │ │ └── Post-Treatment (Chromate Passivation) │ │ │ └────── Minimum Coating Thickness (8 micrometers) │ │ └────────── Coating Metal (Zinc) │ └────────────── Base Material (Iron or Steel) └──────────────────────── German Standard Identifier 1. DIN 50961 (The Standard)

For the Fe/Zn 8B specification, the coating provides a good balance of cost, appearance, and protection for components used in standard indoor environments or those that are not exposed to direct, persistent moisture. din 50961 fe zn 8b

If you have ever seen this notation on a blueprint for automotive fasteners, hydraulic fittings, or stamped steel parts, you know it dictates a specific type of zinc electroplating. But what does each character mean? What is the difference between "8" and "12"? And crucially, what does the lowercase signify for your application? DIN 50961 Fe / Zn 8 / B