Aluminium Square Tube, also referred to as \'Box Section\' is supplied in Grade 6060 T6. This is a medium strength material with high corrosion resistance and is known for its architectural properties. Our tube is ideal for external applications. The square shape is easily fabricated into box or cubic structures and is an ideal component in rack building or window frames.Common uses for aluminium square tube include: Doors framesFurniture makingStandsShop fittingsStairs, balustrades, rails and posts