Four surface treatment methods for fastener anti-corrosion

Fasteners are the most common parts in mechanical equipment, and their function is also very important. However, the corrosion of fasteners is the most common kind of damage during use. In order to prevent the fasteners from being used. Corrosion occurs, many manufacturers will surface treatment after the production of fasteners, which surface treatment can improve the corrosion prevention of fasteners? There are four surface treatment methods to prevent corrosion of fasteners , we can choose the most suitable method according to the specific needs:

First, electroplating

Electroplating the standard parts by placing the standard parts in a metal solution and then applying a current to the surface of the standard part with a layer of metal. There are many effects on this layer of metal. For example, we can use some different functions. Choose some different plating metals, if we want to prevent the standard parts from rusting, then we can plate zinc on the surface of the standard parts.

Second, mechanical plating

The mechanical plating of standard parts is to let the metal particles cold-weld the standard parts to ensure some functions of the surface of the standard parts. Mechanical plating and electroplating are basically similar, except that the method we use is different, and the result can be said to be the same.

Third, heat treatment

For the heat treatment of the surface of the standard part, there are some standard parts. For example, the drill screw requires a relatively hard surface layer, so the drill screw can be heat-treated to ensure that the drill screw has sufficient hardness. This is the reason for the heat treatment.

Fourth, surface passivation

For standard surface passivation, passivation has two main functions, one is to enhance the hardness of the standard part, and the other is to greatly reduce the oxidation of the standard part. When performing fastener surface treatment processes, we can choose the most appropriate method based on the specific needs. This way the fasteners can play a better role during use.

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