How to distinguish weathering steel from ordinary steel plates?

We all know that weathering steel is a very good and easy-to-use steel, so many people try to buy weathering steel as much as possible when buying steel, but there are always some bad merchants who want to use shoddy, so how do we Avoid being deceived? It is very important to learn to distinguish weathering steel and ordinary steel plate! Next, I will teach you how to distinguish weathering steel and ordinary steel plate!

1. The small rust spots grown on the weathering steel plate are generally loose.

2. The weathering steel plate has less rust water, and the rust spots are small and dense.

3. The weathering steel plate has a clear and high-density rust layer, and the rust spots are closely adhered to the thickness of the protective layer.

Another very simple method is to look at the qualification certificate, or find a regular weathering steel manufacturer, so that even though you will not identify weathering steel and ordinary steel, you will not be pitted.