Zinc plating vs. passivation of Carbon Hit Anchor: Which surface treatment is better?

Galvanized treatment of Carbon Hit Anchor
Features and applications:
Galvanizing is a process of coating a metal surface with a layer of zinc. The main purpose is to improve the corrosion resistance of the metal.
The galvanized layer can serve as a sacrificial anode to protect the base metal from corrosion in corrosive environments.
Galvanizing treatment is widely used in construction, bridges, household appliances and other fields because of its low cost and significant effect.
Advantage:

The galvanized layer has high corrosion resistance and can effectively extend the service life of the anchor.
The galvanizing process is mature, the cost is relatively low, and it is suitable for large-scale production.
The galvanized layer has a beautiful appearance and can be processed in different colors according to needs.
Passivation treatment of Carbon Hit Anchor
Features and applications:

Passivation is to form a dense protective layer that is not easily corroded by exposing the metal surface to certain chemical liquids.
The passivation layer is mainly composed of compounds of metal elements such as chromium and zinc, which can effectively prevent direct contact between the metal and the external environment.
Passivation treatment is often used to protect the surface of parts in automobiles, machinery and other fields.
Advantage:

The passivation layer is extremely dense and corrosion-resistant, providing better protection.
The passivation process is relatively simple and has little impact on the environment.
The passivated metal surface is smoother, which is convenient for subsequent processing and use.

Comprehensive comparison
Applicable scenarios: Due to its cost-effectiveness and wide applicability, galvanizing is more suitable for anchors used in general corrosive environments, such as buildings, bridges and other infrastructure.
Passivation treatment, because of its excellent corrosion resistance and surface quality, is more suitable for anchors used in demanding corrosive environments, such as automobiles, machinery and other precision parts.