Catalog Raw Materials Carbon Steel Carbon Steel Tubes Carbon steel tubes are rectangular or round with a hollow center and are lighter than solid bars or rods. They are used for construction applications or where passing materials through the inside of the tube is required. A513 Carbon Steel Round Tube: 0.12 in Wall Thick, 5/8 in Outside Dia, 36 in Overall Lg, Mill A513 Carbon Steel Round Tube: 0.049 in Wall Thick, 3/8 in Outside Dia, 36 in Overall Lg, Mill A513 Carbon Steel Round Tube: 0.12 in Wall Thick, 5/8 in Outside Dia, 4 ft Overall Lg, Cold Finished A513 Carbon Steel Round Tube: 0.065 in Wall Thick, 3/8 in Outside Dia, 24 in Overall Lg, Mill A513 Carbon Steel Round Tube: 0.065 in Wall Thick, 3/8 in Outside Dia, 12 in Overall Lg, Mill A513 Carbon Steel Round Tube: 0.095 in Wall Thick, 1 1/2 in Outside Dia, 24 in Overall Lg, Mill A513 Carbon Steel Round Tube: 0.095 in Wall Thick, 1 1/4 in Outside Dia, 12 in Overall Lg, Mill A513 Carbon Steel Round Tube: 0.1875 in Wall Thick, 3 in Outside Dia, 6 ft Overall Lg, Cold Finished A513 Carbon Steel Round Tube: 0.1875 in Wall Thick, 2 1/2 in Outside Dia, 24 in Overall Lg, Mill A513 Carbon Steel Round Tube: 0.049 in Wall Thick, 3/8 in Outside Dia, 6 ft Overall Lg, Mill A513 Carbon Steel Round Tube: 0.065 in Wall Thick, 1/2 in Outside Dia, 6 ft Overall Lg, Mill A513 Carbon Steel Round Tube: 0.095 in Wall Thick, 1 1/2 in Outside Dia, 4 ft Overall Lg, Mill A513 Carbon Steel Round Tube: 0.049 in Wall Thick, 1/2 in Outside Dia, 6 ft Overall Lg, Mill A513 Carbon Steel Round Tube: 0.065 in Wall Thick, 5/8 in Outside Dia, 36 in Overall Lg, Mill A513 Carbon Steel Round Tube: 0.095 in Wall Thick, 1 1/2 in Outside Dia, 36 in Overall Lg, Mill A513 Carbon Steel Round Tube: 0.049 in Wall Thick, 1/2 in Outside Dia, 36 in Overall Lg, Mill A513 Carbon Steel Round Tube: 0.049 in Wall Thick, 1/2 in Outside Dia, 4 ft Overall Lg, Mill A513 Carbon Steel Round Tube: 0.095 in Wall Thick, 1 3/4 in Outside Dia, 36 in Overall Lg, Mill A513 Carbon Steel Round Tube: 0.12 in Wall Thick, 5/8 in Outside Dia, 12 in Overall Lg, Mill A513 Carbon Steel Round Tube: 0.095 in Wall Thick, 1 3/4 in Outside Dia, 6 ft Overall Lg, Mill