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Detailed explanation of electroplating and hot dip galvanizing on the surface of rivet nuts

Time: 2021-03-08 09:43:15

Author: Hebei Rongte Fastener Manufacturing Co., Ltd.

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​The quality judgment of the surface treatment of the rivet nut is mainly to check whether the corrosion resistance of the rivet nut is effectively increased, and whether the increase is in lin

   The quality judgment of the surface treatment of  the rivet nut is mainly to check whether the corrosion resistance of the rivet nut is effectively increased, and whether the increase is in line with the expected requirements. After surface treatment, the rivet nut can present a more beautiful appearance, and the anti-corrosion ability of the rivet nut itself will also be improved. The main purpose is to make the rivet nut itself obtain the anti-corrosion ability, so as to increase the reliability and adaptability of the rivet nut.
    Electroplating, hot-dip galvanizing, and mechanical plating on the surface of rivet nuts are common methods, which we will introduce separately below.
    1. The electroplating of the
    rivet nut The electroplating of the rivet nut refers to immersing the part of the rivet nut that needs to be electroplated into a specific aqueous solution. The aqueous solution will contain some deposited metal compounds, so that after the current passes through the aqueous solution, the metal substance in the solution Precipitate and adhere to the immersion part of the rivet nut. The electroplating of rivet nuts generally includes zinc plating, copper, nickel, chromium, copper-nickel alloy and so on.
    2. Hot-dip galvanizing of
    rivet nuts. Hot-dip galvanizing of rivet nuts is to immerse the rivet nut with carbon steel composition into a molten zinc plating tank with a heat of about 510℃, so that the iron-zinc alloy on the surface of the rivet nut will be transformed. In order to passivate zinc, so as to obtain the surface treatment effect.
    3. Mechanical plating of     rivet nutsMechanical plating of
rivet nuts refers to the use of coated metal powder to impact the surface of the rivet nut through specific physical and chemical means, so that the coated metal forms a coating on the surface of the rivet nut in the form of cold welding. Layer to achieve the surface treatment effect. The mechanical plating of rivet nuts is mainly suitable for spare parts such as screws, nuts and washers.

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