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Why is weathering steel SA588 not corroded for several years

2019-10-08 14:36:56
Today, Zherui Steel Co., Ltd. will explain to you why the weather-resistant steel SA588 has not been corroded after being placed outdoors for several years. The landscape weathering steel SA588 is strictly a kind of corrosion steel plate. The corrosion steel plate has been mainly used in the manufacture of some large-scale mechanical equipment in recent years. It can be said that it is widely used, such as containers, power plant chimneys, railway engineering and other outdoor steels such as large-scale. Outdoor sculpture steel, weathering steel (ie, atmospheric corrosion resistant steel) is a low-cost, low-alloy steel series between ordinary steel and stainless steel. It can be sustainable after being integrated into modern metallurgical new mechanisms, new technologies and new processes. And innovation, one of the series of steel grades at the forefront of the world's super steel technology. The landscape weathering steel SA588 is often placed for a long time under outdoor exposure, but it is rarely heard that it is corroded or otherwise. It can often be placed for several years because of its surface.
Under the rust treatment catalytic scheme, it is possible to rapidly form a stable rust red oxide film which is uniform in color and thickness and which is not easily rubbed off. The rust treatment process is generally completed within 3 hours in an outdoor temperature of 25 degrees Celsius.
The treatment process is non-corrosive and does not affect the continued formation of the surface rust layer in the later stage. It is environmentally friendly, non-toxic and harmless, and does not affect the growth of plants. It does not affect the mutual “symbiosis” of limited materials and surrounding plants, reflecting a sustainable design concept. The dense embroidered surface treatment makes it difficult for the oxygen in the air to oxidize with the inside in the case of outer layer corrosion. Although the surface layer is a layer of embroidery, it is this layer of embroidery that ensures that the weathering steel SA588 is placed outside for a long time. The reason for not being corroded.