Product Info Catalog Hardware Metal Stock Bar & Flat Stock Steel Sheet, 16-Gauge, 12 x 18-In. Steel Sheet, 16-Gauge, 12 x 18-In. Request a Quote UPC: 53538517052 SKU: 134603 Model Number: 11762 12" x 18", 16 Gauge Steel Sheet, Low Carbon Steel sheet-Cold Rolled, used for a variety of welding applications and repairs.