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Use of hot-dip galvanized wire and electro galvanized wire

Hot-dip galvanizing wire is immersion plating in a heated and molten zinc solution. The production speed is fast, and the coating is thick but uneven. The minimum thickness allowed by the market is 45 microns, and the maximum can reach more than 300 microns. The color is darker, consumes a lot of zinc metal, forms an infiltration layer with the base metal, and has good corrosion resistance, and hot-dip galvanizing can be maintained for decades in an outdoor environment.
Electro-galvanizing wire is to gradually coat zinc on the metal surface through the unidirectional current in the electroplating tank. The production speed is slow, the coating is uniform, the thickness is thin, usually only 3-15 microns, the appearance is bright, and the corrosion resistance is poor. It usually rusts in a few months.
Compared with hot-dip galvanizing wire, the production cost of electro-galvanizing wire is lower.

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The difference between electro galvanizing and hot galvanizing:

The difference between electro galvanizing wire and hot galvanizing wire is that the amount of zinc applied is different, and they can be identified from the color. The color of cold galvanizing is bright, silvery white with yellow. Hot-dip galvanized wire shiny white.
Scope of application of hot dip galvanizing wire :
Because the resulting coating is thicker, hot-dip galvanizing has better protective properties than electro-galvanizing , so it is an important protective coating for steel parts used in harsh working environments.

Hot-dip galvanized wire products are widely used in chemical equipment, petroleum processing, marine exploration, metal structure, power transmission, shipbuilding and other industries. , highway guardrails, etc., have been widely used in recent years.
Scope of application of electro-galvanizing wire :
The iron wire used for building bundling mainly adopts the iron wire treated with low zinc cold plating.


Post time: Jul-26-2022
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