1. The steel surface of cable tray is covered with a thick and dense pure zinc layer, which can prevent the steel matrix from contacting with any corrosive solution and protect the steel matrix from corrosion. In general atmosphere, a thin and dense zinc oxide layer is formed on the surface of the zinc layer, which is hard to dissolve in water, so it plays a certain role in protecting the rigid matrix. If zinc oxide reacts with other components in the atmosphere to form insoluble zinc salt, the anti-corrosion effect is more ideal.

2、它具有铁锌合金层，结合紧密，在海洋盐雾环境和工业环境中表现出独特的耐腐蚀性。

2. It has an iron-zinc alloy layer, which is closely combined, and shows unique corrosion resistance in marine salt fog environment and industrial environment.

3、由于结合牢固，锌和铁互溶，耐磨性强。

3. Due to the firm combination, zinc and iron are mutually soluble and have strong wear resistance.

4、由于锌具有良好的延展性，其合金层牢固地附着在钢基体上，热镀零件可以进行冷冲压、轧制、拉伸和弯曲而不损伤锌层。

4. Due to the good ductility of zinc, its alloy layer is firmly attached to the steel substrate, and the hot-plated parts can be cold pressed, rolled, stretched and bent without damaging the zinc layer.

5、钢结构热镀锌后，相当于一次退火处理，可很好的提高钢基体的力学性能，清理钢件成型和焊接时的应力，便于刚性结构的车削。

5. After hot-dip galvanizing of steel structure, it is equivalent to one annealing treatment, which can improve the mechanical properties of steel substrate, clean the stress during forming and welding of steel parts, and facilitate the turning of rigid structure.

6、热镀锌后的表面光亮美观。

6. The surface after hot galvanizing is bright and beautiful.

7、纯锌镀层是热镀锌中的塑性锌镀层。它的性质基本上接近纯锌的性质，并且具有延展性，因此具有柔韧性。

7. Pure zinc coating is a plastic zinc coating in hot galvanizing. Its properties are basically close to those of pure zinc, and it has ductility, so it has flexibility.

8、热浸桥表面是亮银色，有点像不锈钢的颜色。一般桥架广泛用于电力布线，安装要求桥架表面做防火处理。

8. The surface of the hot-dip bridge is bright silver, a little like the color of stainless steel. General cable tray is widely used for power wiring, and the surface of cable tray is required to be fireproof during installation.