Baltimore | Metal Supermarkets
Round Bar. 4130; 4140; 4340. Round Tube. 4130. Sheet. 4130. Square Bar. 4140; Threaded Rod. B7; Galvanized. More Metals. ... governments and industries with high-quality metal products and services for over 10 years. We carry a multitude of metal types including hot-rolled steel, cold-rolled steel, tool steel, alloy steel, aluminum, stainless ...