Channel steel manufacturer Yanxin Senyu has summarized the surface treatment process of channel steel in many years of production and sales experience. The following editor will give you a brief introduction. Channel steel is simply rusted in air and water. According to relevant calculations, the annual loss due to corrosion accounts for about one tenth of the entire steel output value.
In order to make the channel steel have a certain degree of corrosion resistance and to give the product a decorative appearance together, galvanization is generally used to treat its appearance. Among the various surface treatment processes of channel steel, galvanization is used today. Extensive appearance treatment with high cost performance. Because zinc is not easy to change in dry air, but in humid air.
The appearance can produce a very fine galvanized film. The appearance of the channel steel after galvanizing will be very beautiful, and it also has strong corrosion resistance. The common surface treatment process of channel steel is in the state of liquid zinc. After passing the appropriate random physical and chemical effects, not only is a thick zinc layer plated on the channel steel fastener, but a zinc-iron alloy layer is also formed.
This plating method not only makes the channel steel have the corrosion resistance characteristics of electroplated zinc, but also because of its zinc-iron alloy layer, it also has a strong corrosion resistance unmatched by electrogalvanization. Therefore, this plating method is particularly suitable for various strong acids. In the strong corrosive environment such as alkali mist, in the general atmosphere, the surface of the zinc layer constitutes a thin and dense zinc oxide layer. It is difficult to dissolve in water, so it plays a certain maintenance effect on the channel steel.
