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Internal corrosion protection type

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What are the types of surface anti-corrosion treatment processes

There are various surface anti-corrosion treatment processes, mainly including electroplating, phosphating, blackening, hot-dip galvanizing, Dacromet, spraying, sandblasting, organic coating, cold galvanizing, alloy catalytic solution, etc. Here is a detailed introduction to these processes: Electrogalvanizing. Forming a zinc coating on the metal surface through electrolysis provides aesthetic and anti-corrosion effects.

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Internal corrosion protection type

Several metal surface treatment processes

The surface of metal parts requires surface treatment, which is not only for corrosion prevention and rust prevention, but also for the aesthetics of the product. There are various forms of metal surface treatment, such as phosphating, electroplating, spraying, embossing, polishing, and wire drawing. The first three belong to the category of coatings, which usually not only ensure the aesthetics of the product, but also protect the metal from corrosion; The latter three only serve as surface treatments on the physical level and do not involve any anti-corrosion effect, so apart from stainless steel, these three surface treatments are rarely seen on other metals.

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Internal corrosion protection type

Comparison of the characteristics of different surface anti-corrosion treatment processes

Fasteners are common components in mechanical equipment and play a crucial role. However, corrosion of fasteners during use is a common cause of damage. In order to prevent corrosion of fasteners during use, surface anti-corrosion treatment is essential.

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Internal corrosion protection type