Store › 3/4" Round Metal Tube - Mild Steel - 16 gauge - ERW Image 1 of 1 3/4" Round Metal Tube - Mild Steel - 16 gauge - ERW from $3.00 OD 3/4” - ID 5/8” - Square Metal Tube - 16 gauge (1/16” wall thickness) - ERW - ASTM A513 - Mild Steel - Cold Rolled Length: Select Length 12” inch long (1-ft), 24” inch long (2-ft), 36” inch long (3-ft), 48” inch long (4-ft), 60" inch long (5-ft), 72" inch long (6-ft), 84" inch long (7-ft), 96" inch long (8-ft) Quantity: Add To Cart Added! OD 3/4” - ID 5/8” - Square Metal Tube - 16 gauge (1/16” wall thickness) - ERW - ASTM A513 - Mild Steel - Cold Rolled