22-gauge metal stamping blanks come in brass, copper, sterling silver, and aluminum. Choose 22-gauge shapes when you want thicker stamping blanks that will still take a good impression and not wear down your stamps. 22-gauge copper and brass are also an excellent weight for etching with ferric chloride. Wire Gauge / Wire Gage : Values are stated in approximate decimals of an inch excluding the metric numbers. As a number of gauges are in use for various shapes and metals, it is advisable to state the thickness in thousands when specifying in gauge number. You searched for: copper sheet! Etsy is the home to thousands of handmade, vintage, and one-of-a-kind products and gifts related to your search. No matter what you’re looking for or where you are in the world, our global marketplace of sellers can help you find unique and affordable options. MD Building Products - 1 ft. x 2 ft. Steel 22-Gauge Weldable Sheet Metal - Great for crafts and hobbies, this durable rust-resistant design can be used to create countertops, workbench tops and pet-house roofs.