Corten Steel: Everything You Need To Know For Your Garden
Corten Steel & Rusting FAQs. How Long Does Corten Steel Take To Rust? Under normal conditions, and if the surface is alternately wet and dry, the patina forms and matures within 18-36 months. Some weathering steel can even form a patina between 6 months and 1 year. However, the entire process can take between 4-10 years.