6061-T6 Aluminum Square Tube – 1-1/2" x 1-1/2" x 1/8" Wall, 24" Long – Online Metal Supply Built for durability and versatility, this 6061-T6 aluminum square tube is a high-strength structural material ideal for both industrial and DIY applications. Measuring 1-1/2 inches per side with a 1/8-inch wall thickness and a 24-inch length, it provides excellent corrosion resistance, weldability, and machinability. Key Features: Material: 6061-T6 Aluminum – known for its strength, toughness, and lightweight properties Dimensions: 1-1/2" x 1-1/2" with 1/8" (0.125") wall thickness, 24" length Wall Thickness: Nominal 1.3 mm Weight: Approx. 1.79 lbs Finish: Mill finish, ready for fabrication Applications: Ideal for frames, supports, structures, fabrication, automotive, marine, and more Trusted by professionals and hobbyists alike, this aluminum tube delivers precision and performance where it matters most.