Thin Wall Aluminum Rectangular Tubing, To measure you need to take the outside dimensions from outer wall to outer wall (which are different sizes). Thin Wall Aluminum Rectangular Tubing Suitable for lightweight frames, decorative structures, and bending applications, with a thickness generally ≤1/8", light weight, easy to process, and supports batch fast-length cutting. Used for engineering and structural applications. Aluminum Rectangle Tube Aluminum Rectangle Tube, is an extruded aluminum tube that is widely used for all types of fabrication projects where lightweight and corrosion resistance is a primary concern - frame work, support columns, gates, fencing, handrails, etc. Same and Next Day Delivery. Choose from our selection of aluminum rectangular tubing, including over 120 products in a wide range of styles and sizes. Offered in oval, hexagonal, round, square, triangular and rectangular shapes. length. We extrude common alloys such as 6061 and 6063, with custom sizes, lengths, alloys, and finishes available. Aluminum rectangular tube sizes include 1ft, 2ft, 3ft, 4ft, 5ft, 6ft, 7ft, 8ft, 20ft, and 24ft. 0a, wl5, tq, v96or, ywm, ht, 3a, n8mnh, qc, hrwtt,