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Oxidation treatment of weather resistant steel plate
The main technical support point of weather resistant steel plate used as exterior wall material is that weather resistant steel is superior to ordinary steel in terms of corrosion resistance. In natural weather, weathering elements such as chromium, bismuth, molybdenum, phosphorus, titanium, etc. are added to form weathering steel, so that the steel material forms a layer of about 50-100 microns thick and adheres between base metals. Rust layer and good oxide layer of base material.
Due to the existence of this dense oxide film, oxygen and water in the atmosphere are prevented from penetrating into the weather resistant steel plate matrix, which slows down the rust of the weather resistant steel plate, thereby greatly improving the resistance of the steel to atmospheric corrosion. Studies have shown that, according to the composition of weathering steel, steel components are used in different environments, and the weathering resistance of weathering steel can be 5-8 times higher than that of ordinary steel.
This special dense oxide layer formed on the surface of the weather resistant steel plate has a random, average natural rust red color, making it an attractive building exterior wall material and a revolutionary material for a new generation of curtain wall decoration.
Why does weather resistant steel plate need to be oxidized:
First of all, weather resistant steel plate constitutes a stable, uniform color, rust red oxide film, which is not a simple erasure. In an environment with an outdoor temperature of 25 degrees Celsius, the rust treatment process is usually completed within 3 hours.
Second, under the rust treatment catalytic program, the weather resistant steel plate has a rough appearance, which makes the structure volume and quality higher, improves the visual and sensory effects, flexibly improves the garden planning effect, and improves the economic and artistic benefits.
Third, regardless of the local geographic location, local climate, location (facing southeast or northwest), the composition of the weather resistant steel plate rust red oxide film is uniform and stable!
Fourth, the weather resistant steel plate treatment process does not corrode and will not affect the continuous composition of the outer surface rust layer. It is environmentally friendly, non-toxic and harmless.
weather,resistant,steel,plate
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