[mreid]

Actually, steel has very similar properties. It work hardens, takes a set when damaged requiring heating, shrinking, etc. to return it, and is brittle when hardened (like AL this is greatly affected by alloys used).

This may be better in your other thread, but I have a filed Kirkham which I plan on painting in the spring. Right now I'm finishing it up for a little fall driving. On a hot day a bout a month ago a couple drops of sweat dripped on the body, stained it, and created tiny pits. They are easy to remove, but reminded me of why I want to paint the car. Steel will rust given the same circumstances, however takes much longer to pit.