Our Aluminium Rectangular Tube is supplied in grade 6063 T6. This is an architectural alloy with medium strength & high corrosion resistance. These qualities are ideal for outdoors applications. The rectangular shape is easily fabricated into box or cubic structures & is an ideal component in rack building or window frames. Common uses for aluminium rectangular tube include: Doors frames Furniture making Stands Shop fittings Stairs, balustrades, rails & posts