1/2" Steel Plate, Disc Shaped, 11.00'' Diameter, .500 A36 Steel, Round, Circle $40.0 Material Steel - Mild Country/Region of Manufacture United States Brand Synergy Steel Designs condition New I am selling 1/2'' Steel Discs. Check out my other auctions - I can cut all sizes, shapes, and thickness of steel if needed. I would be happy to give you a quote. Please ask if you have any questions at all!