The thickness of Corten Steel planters can vary depending on the specific design, size, andintended use. However, Corten Steel planters are typically available in various thicknesses rangingfrom 1.5mm to 3mm (approximately 0.06 inches to 0.12 inches). Thicker planters may offer greaterdurability and stability, especially for larger or heavier plantings. while thinner options may bemore suitable for smaller installations or decorative purposes. Ultimately, the choice of thicknessdepends on factors such as the size of the planter, the weight of the intended contents, and thedesired aesthetic appeal.

A thin layer of rust causes the steel's distinctive reddish-brown coloration, which forms on the surface of the metal after exposure to oxygen and moisture. Over time, this layer of rust will continue to grow thicker and protect against further corrosion.