Weathering Steel is known as High-Strength,Low-Alloy, Hot-Rolled and Cold-Rolled, with
Improved Atmospheric Corrosion Resistance,per ASTM A 606-04. Weathering Steel is produced by steel mills under trade names of Corten, Kupten, Triacor and others. Weathering Steel develops a pleasing iron oxide matte finish over the first few months of exposure to the environment. This finish is developed by natural processes and may result in a non-uniform
appearance.