Originally Posted by loudontn
I'm not sure what manufacturer would build an aluminum tower without using anodized aluminium, it'd be sure to rust otherwise (assuming it's not powder coated).
Most of the aftermarket towers I've seen from China aren't anodized. My Aerial isn't but anodizing is optional. It does get spots on it that I have to polish off periodically but no real measurable loss of material.
Some of the Chinese ones that I've seen are anodized but rather poorly with lots of small defects and a "milky" appearance.
I've never seen a mild steel tower with chrome plating. That just seems like a stupid way to make a tower for a marine application.