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What is the difference between hot plated pipe and ordinary galvanized pipe?

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Hot-plated pipe and ordinary galvanized pipe, although the two seem similar, but there are significant differences.

Hot-plated pipe and ordinary galvanized pipe, although the two seem similar, but there are significant differences. These differences are mainly reflected in their production processes, performance characteristics and application fields.

First of all, from the point of view of the production process, the hot-plated tube is produced by the hot-dip galvanizing process. In this process, the steel pipe first goes through a pre-treatment process such as pickling and cleaning, and then is immersed in the molten zinc liquid, and is removed after a period of time to form a zinc-iron alloy layer. The ordinary galvanized pipe is produced by electroplating process, that is, zinc ions are deposited on the surface of the steel pipe through the action of current to form a zinc layer. These two different production processes make the performance of hot-plated pipe and ordinary galvanized pipe different.

In terms of performance characteristics, because of the hot dip galvanizing process, the zinc-iron alloy layer on the surface of the hot plated tube is closely combined with the steel tube matrix, which has good corrosion resistance and can effectively prevent the corrosion of the steel tube during use. The zinc layer of ordinary galvanized pipe is relatively thin, the binding force with the steel pipe matrix is weak, and the zinc layer is easy to fall off during use, which affects its anti-corrosion performance.

In addition, in the field of application, because of its excellent anti-corrosion performance and long service life, hot plated tubes are widely used in various fields such as construction, transportation, petroleum, chemical industry, especially those with high anti-corrosion performance requirements. The ordinary galvanized pipe is mainly used for some occasions with low anti-corrosion performance requirements, such as some temporary buildings or facilities.

In general, hot plated pipe and ordinary galvanized pipe are a kind of galvanized steel pipe, but due to the different production process and performance characteristics, they are also different in the application field. When choosing the use, we need to choose the appropriate type of steel pipe according to the specific use environment and needs.


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June  / 2024

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