Corten Steel - a natural weathering steel that is hardy and enduring with an beautiful rustic appearance. Corten steel is a specialised steel alloy that forms a protective layer on its surface when exposed to the elements. This protective layer, also known as a patina, helps to protect the steel from rust, corrosion, and other forms of degradation. The patina forms a natural barrier that prevents further damage, making it an ideal choice for outdoor applications like fire pits.