Corten steel, also known as weathering steel, is a high-strength, low-alloy steel that develops a protective rust layer when exposed to atmospheric conditions. This layer prevents further corrosion, making it ideal for outdoor structures without the need for painting. Its unique combination of copper, chromium, nickel, and phosphorus enhances durability and aesthetic appeal. Corten steel finds applications in architecture, landscaping, bridges, sculptures, and industrial structures due to its ability to withstand extreme weather conditions while offering a rustic and natural look. Understanding its chemical composition, tensile strength, and corrosion resistance is crucial for architects and engineers who aim for long-lasting, low-maintenance designs. Furthermore, the material is highly sustainable and recyclable, aligning with modern eco-friendly construction practices. When designing with corten steel, it is essential to consider environmental factors like moisture, humidity, and proximity to saltwater, as these can affect the patina formation. Whether for industrial projects, urban landscapes, or artistic installations, Corten steel provides a combination of functionality and visual appeal that continues to gain popularity worldwide. By selecting the right grade and finishing methods, designers can achieve both structural stability and aesthetic harmony.