Weldable Aluminum Tube Aluminium Square Tube 25mm X 25mm X 1.5mm | Aluminium Online En Aw-6060 T66 Aluminum Rectangular Hollow Tube Material: EN AW-6060 (AlMgSi0., 5) 3., 3206 Production mode: pressed. Rectangular Aluminum Hollow Square Tube Square Aluminum Tube Next treatment: weldable/anodizable/coatable. Aluminum Square Tube is your source for high performance and long lasting aluminum square tubing. We combine high quality aluminum materials with state of the art machining techniques to manufacture our heavy duty square aluminum tubing products Aluminium corner EN AW-6060 T66, laminated finish. Rectangular Aluminum Extrusion Tube T4 , Authorized Welding Aluminum Tube Some minor scratches/traces may be present due to the production process.