here are your grill specs
Two piece set of cast iron cook grids for 9000 series. Combined size: 14 3/4 by 29 1/4 inches. Individual sizes of the cast iron cook grids are 14 3/4 by 14 3/4 inches. They combine to fit the 9000 series grill.
For stainless steel grill parts call:
CLA Grills and Service : (501) 821-4050
ALSO-- you could call Char-Broil (the maker of your grill) at:
U.S. Consumer Service: 800-241-7548
General Offices: 706-571-7000
Replacement Parts: 800-992-2677
Ask if they have a stainless grate that matches your grill specs.
GOOD LUCK! :)