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Corten steel features,

Weather resistant structural steel has a good anticorrosive properties of weather. The steel is self-protecting, the rust layer on the surface becomes a tight oxide layer that slows down the progress of corrosion. The steel is also economical, long-lasting and fully recyclable material. So it is widely used in some kinds of construction such as railway, container, bridge, building etc which is exposure to atmosphere long time.

Weather Resistance

Because Cor-Ten steel has high weather resistance, it can be used without painting. Unpainted applications not only offer the economic advantage of reducing repainting costs; they also offer aesthetic benefits associated with the calming color of the protective rust.

While weather resistance depends on the product grade and the application environment, Cor-Ten steel's weather resistance is nearly 4-8 times that of ordinary steel.

Paint Durability

Cor-Ten steel is paintable in the same way as ordinary steel. In addition, even if a painting defect should occur, Cor-Ten steel suppresses the progress of rust area and, accordingly, prolongs the service life of the paint, thereby reducing repainting costs.

In the initial stage of application, COR-TEN shows a yellowish appearance. This is followed by a gradual change in the color of the protective rust from brown to a stable dark drown after one to two years in general application environments. Afterwards, the coloration shows no clear change except perhaps to a deeper dark brown.