2x2 aluminum square tubing Choose from our selection of square tubing connectors, including over 80 products in a wide range of styles and sizes. Used for engineering and structural applications. 132 lbs Aluminum Square Tube Radius Corner 6063-T52 offers exceptional corrosion resistance, light weight, and good formability. 809 17. An effective method for connecting aluminum tubing, particularly square aluminum tubing, is through the use of tubing connectors. 50+ bought in past month. Balusters & Newel Posts Square Tube, 2" x 2" x 1/4" wall x 24 ft. Easily welded. 1 1/4 X . The safety factors use the numbers in the table below for strength. mmxqhseqxxhwkxjhokmbzfbjvjrbfiubxhxzbpkuqadduraaftvxhxrmzgazsksxnio