It is also referred to as chromic acid anodizing, often resulting in the thinnest anodic coat of all the main options available. Typically, it yields about 20 to 100 micro-inches per material surface.
You can find these types of profiles in a wide range of surface finishing.
The Elegance of Rod Iron Scrolls A Timeless Decorative Element
Finally, a “post cap” is sometimes necessary to both improve the post’s visual aesthetics while preventing debris and rainwater from entering the hollow interior. Water infiltration can quickly trigger rust to start developing inside the iron fence post. Therefore, caps provide a straightforward way to avoid the issue.