Store › 3" x 3" Angle Bar - 3/16" gauge - Hot Rolled - A36 Image 1 of 1 3" x 3" Angle Bar - 3/16" gauge - Hot Rolled - A36 from $13.25 3” x 3” - 7 gauge (3/16" thickness) - ASTM A36 - Hot Rolled - Mild Steel Length: Select Length 12" 24" 36" 48" 60" 72" 84" 96" Quantity: Add To Cart Added! 3” x 3” - 7 gauge (3/16" thickness) - ASTM A36 - Hot Rolled - Mild Steel