Galvanized wire galvanizing production process1. Stress relief before plating. All key and important parts with a maximum tensile strength greater than 1034Mpa should be stress relieved at 200±10℃ for more than 1 hour before plating. Carburized or surface quenched parts should be stress relieved at 140±10℃ for 5 hours. above.2. The cleaning agent used for cleaning should have no effect on the bonding strength of the coating and no corrosion on the substrate.3. Acid activation The acid activation solution should be able to remove rust products and oxide films (skin) on the surface of parts without excessive corrosion to the substrate.4. Galvanizing Galvanizing can use zincate galvanizing or chloride galvanizing and other processes. Appropriate additives should be used to obtain a coating that meets the requirements of this standard.5. After light plating, light processing should be carried out.6. Parts that require hydrogen removal for passivation should be passivated after hydrogen removal. Before passivation, 1% H2SO4 or 1% hydrochloric acid should be used for activation for 5 to 15 seconds. Unless otherwise specified on the design drawings, passivation shall be by color chromate treatment.

Galvanized wire is widely used in various fields such as construction, handicrafts, wire mesh, highway guardrails, product packaging and daily civilian use. Hot-dip galvanized wire is dip-plated in heated and melted zinc liquid. 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 thickness can be more than 300 microns. The color is darker, consumes more zinc metal, forms a penetration layer with the base metal, and has good corrosion resistance. Hot-dip galvanizing can last for decades in outdoor environments.

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