I'm looking at making a 36" long piece of custom chrome trim for the top of my roadster hood. The piece needs to be 1/4" high and 3/4" wide. I would mount it with threaded machine screw studs from the bottom, or possibly double sided trim tape since it's not very thick.

I have seen "half oval" metal stock listed from some metal supply companies. My question is how hard would it be to shape and polish stainless steel compared to brass stock and then have the brass "chrome plated" after shaping?

Any advice on metal sources or advice on holding the metal while shaping/polishing would be appreciated.