The steel structure engineering company summarizes the use characteristics of galvanized channel steel for you

Category： Industry News

Time：2020-07-08

Many metal products are coated with a layer of zinc or aluminum on the surface because they are easy to corrode, so what are the characteristics of the channel steel after zinc plating? Let's take a look with the steel structure engineering company.

Galvanized channel steel is mainly used in metal structure facilities in various industries, mainly immersing the rusted steel parts in the zinc liquid melted at about 440~460 °C, so that the surface of the steel components is attached to the zinc layer, so as to play the purpose of anti-corrosion. This is an effective metal anti-corrosion method, and its use characteristics mainly have the following points:

(1) It has a thick dense pure zinc layer covering the steel surface, which can avoid the contact between the steel matrix and any corrosion solution and protect the steel matrix from corrosion. In the general atmosphere, a thin and dense zinc oxide layer is formed on the surface of the zinc layer, which is difficult to dissolve in water, so it plays a certain protective role in the steel matrix. If zinc oxide and other components of the atmosphere form insoluble zinc salts, the corrosion protection effect is more ideal.

(2) It has an iron-zinc alloy layer, combined with dense, and has unique corrosion resistance in the marine salt spray atmosphere and industrial atmosphere.

(3) Due to the firm bond, zinc-iron is miscible and has strong wear resistance.

(4) Because zinc has good ductility and its alloy layer is firmly attached to the steel base, the hot-dip parts can be cold-stamped, rolled, wire-drawn, bent and other forms without damaging the plating.

(5) After hot-dip galvanizing of steel structural parts, it is equivalent to a one-time annealing treatment, which can effectively improve the mechanical properties of the steel matrix, eliminate the stress during forming and welding of steel parts, and facilitate the turning of steel structural parts.

(6) The surface of the hot-dip galvanized parts is bright and beautiful.

(7) The pure zinc layer is

the most plastic layer of hot-dip galvanizing, and its properties are basically close to pure zinc and have ductility, so it is flexible.

This is about the characteristics of the use of galvanized channel steel, do you feel that you have gained a lot after reading this article? Our company specializes in the production, sales and wholesale of I-beam, channel steel, angle steel, steel plate, H-beam, for more details, welcome to inquire.

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