Hi Nick,

Welcome to RepGeek and make yourself at home.

I just replied to a similar type of question here: In short, you are correct. "plating' will wear much faster then the SS.

http://www.repgeek.com/showthread.php?t=132424

Also, give this a quick read:
http://www.repgeek.com/showthread.php?t=97566

Have a look and let us know if you have any additional ?'s.

Nice to have you aboard and enjoy RepGeek!