ShiTeng Traffic Facilities Co.,Ltd.

The Solution of Corrugated Guardrails Surface Roughness The Solution of Corrugated Guardrails Surface Roughness

Corrugated beam guardrails are used on both sides of the road. After a year of wind and sun exposure, there needs no worry when you found that the appearance of the corrugated guardrail is rough:

1. When the galvanized highway guardrail is galvanized, if the zinc content is in high content or the chloride content is high, in the industrial environment, it is necessary to replace the zinc plating solution or perform cooling treatment and recover the zinc. This is to avoid the density of zinc particles. However, due to the hot dip galvanizing process and operating costs, a few zinc particles are inevitable.

2. Galvanized appearance roughness: When the iron-zinc alloy is too much or unevenly distributed, it will form a rough appearance. And the appearance may have a little white rust, white rust will cause severe corrosion, during which the white powder is not zinc rust, only the weak acid after scrub can be processed. This white rust is so high because the stability that the heart of iron and zinc alloys occurs, and the galvanizing time is too, which increases the dispersion of iron and zinc.

3. In the course of shipping and handling, the w-beam guardrail will inevitably cause scratches. Especially is hot dip galvanizing, zinc and iron, we can know that the color difference is significant, but the anode maintenance function of the zinc layer will have minor scratches and scratches. Appearance maintenance can be used for zinc-rich paint processing.

4. Agglomeration and zinc tuberculosis, activity marks: Excessive acid pickling leads to uneven distribution of elements in the steel matrix, resulting in rough appearance due to different dissolution rates or microcell effects in the pickling process. The above is due to the roughness of the galvanized layer and can be modified through an adjustable process.
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