My wife picked up a couple of Wassily chairs at an antique mall a while ago. Chrome and leather. The leather was old, brittle and broken and the chrome was covered with surface rust. We pulled one apart and took the leathers to a shop to have remade. While that was being done I had to get the chrome cleaned up enough to be passible.
I had heard and saw on YouTube about using Coke and aluminum foil to clean rust off chrome so I decided to give it a shot. I used metal cleaner in place of the Coke but it worked like a charm and you would never know how badly these chairs were rusted.
A couple pics of the rust.
What I used to clean it off. Cheap Dollar Store aluminum foil and Eagle metal Cleaner. I would imagine ANY cleaner or polish would work.