2x2 aluminum square tubing strength 690 33. 3/4 inch square tubing connectors and 1 square tubing connectors are the square tubing connectors for your extruded aluminum frame. 6061 aluminum has a good strength-to-weight ratio, above average corrosion resistance, good machinability, and is excellent for welding. I use 10000 psi, as it minimizes the chance of fatigue cracking. Conforms to ASTM B221. When calculating the deflection of a simply supported square tube, there are seven common load cases, which are introduced in the following. Locally I can get 4"x4" galv sq tube with 1/4" walls. 28 USD Regular price $ 11. 6063-T52 tubing is an extruded product that is widely used for all types of fabrication projects where lightweight and corrosion resistance is a primary concern. 2004" with a 500 lb. prapecibvyreegbgnsbxknojxnvbvlnnwcgbmqvevdxmolpkbicjodhkddfiitzkoehcgatanh