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The difference between quality weather resistant steel plate and ordinary steel plate
With the development of the steel industry, the demand for steel in many construction industries has gradually changed from quantity demand to quality. For some open-air buildings, if ordinary steel plates are used, they will be covered with rust within a few years, even if it is Paint protection will also cause damage to the surrounding environment and the steel itself. At this time, the development of quality weather resistant steel plate has brought a good solution to these problems.
In order to save production costs, many businesses do not hesitate to deceive consumers with ordinary steel plates for painting and human work rust. Let's take a look at how to distinguish between quality weather resistant steel plate and ordinary steel plate.
1. Corrosion resistance: The quality weather resistant steel plate is corroded in natural climates, and a dense oxide layer is formed on the surface of the steel, which prevents the oxygen and water in the atmosphere from penetrating into the matrix and plays a role in oxidation; while ordinary steel After rusting, not only the protection of the oxide layer will not appear, but the rust will be more serious.
2. The rust will not fall off naturally: the rust of quality weather resistant steel plate is a naturally formed rust, which is tightly attached to the surface of the base layer, even if it is touched by hand, it will not fall off; while the weather resistant steel plate forged by ordinary steel, even on the surface The rust is the same as weathering steel, but it will easily fall off when touched by hand, which can be easily distinguished with the naked eye.
3. The color of rust is natural: the rust of quality weather resistant steel plate shows different colors according to the degree of corrosion and time, and these colors are oxidized by iron ions in the steel, so the rust will not cause damage to the surrounding ecology and environment ; Ordinary steel is painted in order to have the same appearance as weather-resistant steel. Even if the color is the same, the paint itself is a chemical synthetic agent with a pungent odor, which also has a certain impact on the surrounding ecology.
To sum up, it is easy to distinguish quality weather resistant steel plate from ordinary steel plate. If you can’t tell it by yourself, you should choose a reputable manufacturer to buy it, so as to avoid unnecessary losses caused by being deceived. Weather-resistant steel plates have been widely used in many construction industries. In recent years, they have also developed well in the direction of container transportation, so their prospects are still relatively broad.
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