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The advantages and disadvantages of hot -dip galvanized and cold galvanized

21 Feb 2024
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Hot -dip galvanized and cold galvanized are two common methods of protecting steel materials. During the hot galvanized process, the steel parts are immersed in high -temperature melting zinc, so that the surface of the steel parts is covered with a zinc layer. Cold galvanized to deposit the zinc layer on the surface of the steel through the electroplating process.

Galvanized Steel Coil

1. Corrosion resistance

The corrosion resistance of hot galvanized galvanized is stronger than cold galvanized. This is because the hot -dip galvanized zinc layer is thicker and is not easily destroyed, which can more effectively protect the surface of the steel parts from corrosion.

2. Stable performance

The performance stability of hot -dip galvanized is also better than cold galvanized. During the hot galvanized process, the metal of the steel parts and the melting zinc spread to each other, forming a steel zinc alloy layer. This alloy layer has better stability and can continue to maintain the performance of steel parts.

3. Surface smoothness

The surface of hot galvanized is also more smooth, without precipitation and water stains, the gloss is better, and the appearance is more beautiful. The surface of cold galvanized is prone to sediments and spots, and the appearance is not as good as hot galvanized.
 

In general, hot -dip galvanized is better than cold galvanized, with better corrosion resistance and stability, higher surface smoothness, and is more suitable for protecting steel materials.

 

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