Sorry Mister Stark, but iron is a lousy choice for a suit. It’s heavy, which will limit your ability to fly, and worse than that, it rusts. Spend too long in damp environments and you’ll find reddish brown flakes lifting off the surface. Aluminum would be better because its much lighter and doesn’t rust. Aluminum … Continue reading Aluminum Corrosion: Why it Happens and What to Do When It Does