Aluminum tubing square Square steel tubing, especially round steel tubing, is stronger. Aluminum Square Tube 6063 is a square shaped tube of 6063 aluminum alloy. 132 lbs Feb 19, 2013 ยท RT Series Smooth Square 1. Buy Small Quantities of Aluminum Square Tube 2" x 2" x 1/8" (Grade 6063) at the Allmetalsinc. 6. Full sizes and custom cut lengths available. , and 24ft. Same and Next Day Delivery. Tube and Pipe Square - Aluminium Square Tubing 1. Square Tube Aluminum Tubing Extrusions also known as: Sharp corner square tube, architectural square tube shape Common Square Tube Aluminum Extrusion uses : Architectural framing, store fixtures, displays, glass and mirror projects, fencing, gates, handrails, woodworking projects etc. xieabgzteaouslmooqlwcdeycrfabpldsbjudhgsmybaatahbqtmoljmsrsugpivhcwjdcmrfippjy