COR-TEN? is high strength, low alloy weldable structural steel with exceptional weathering resistance. The chemical composition of the steel allows for the creation of a layer of rust that coats a building without altering the mechanical characteristics of the steel. This rust layer, not only protects steel products against the elements but also delivers a unique finish that stops most people in their tracks.
What’s more, it’s also more environmentally-friendly than traditional steel.
The combination of weather resistance and workshop performance makes SSAB Weathering and COR-TEN? steels a cost-efficient choice for a wide range of applications.
Unlike conventional steel, weathering steel has a matt surface, which reduces typical metal reflections. The distinct bronze-like appearance, which changes over time as the surface ages, is created by the oxidation process, which ensures that every project is unique.
SSAB Weathering and COR-TEN? give distinctive and attractive exteriors for office buildings, private homes, public art and other outdoor installations.
At first, the steel begins to rust in the same fashion as ordinary mild steel once it’s exposed to wet and dry conditions. However, as time passes, the rust layer transforms into a patina layer, and the color changes from fresh, newly developed orange-brown, to light or dark brown.
The speed of change and the final color of the steel are dependent on the atmospheric conditions of a site and the level of pollution – sulfur dense atmospheres will speed up the oxidation process and result in a darker patina. Frequent cycles of wet and dry conditions will also speed up oxidation. The entire oxidation process usually takes between 2 – 6 years.
A painted surface on SSAB Weathering and COR-TEN? usually lasts two times longer compared to paint on ordinary carbon steel.
SSAB Weathering and COR-TEN® steel grades are delivered from stock locations or directly from the mill. Smaller quantities for testing are also available.
Call or send an email to inquire about prices and how to order SSAB Weathering and COR-TEN® corrosion-resistant steel.
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