Metal tubes are lengths of material formed with a central void along its length. Metal tubes are versatile products that are commonly used for applications in many sectors both industrial and DIY and can be manufactured with different materials. Suitable for use in structural frames, boat building, gardening products, general fabrications and shopfitting metal tubes can be an efficient and robust solution in many applications.Types of Metal TubeMetal tubes are not just supplied in a basic range of materials, but also have a variety of material grades within that list. Many of these material types are also offered in a range of forms.Round tubeSquare tubeRectangle tubeTube form refers to the cross-sectional shape of a tube. Cylindrical tubes are referred to as round form tubes whereas other four-sided tubes can be either square or rectangular in form. Square tube features 4 equal length sides where a rectangular tube has a differing width to its height.What are Material Grades?Material grades are given to a range of metals such as aluminium and stainless steel. Grades define the makeup of a metal and classify properties like strength. There are a number of metal material grades and standards around the world, understanding these grades can ensure you are using exactly the correct material for the job.MaterialsMetal tubes are available in a range of materials all with their own features, benefits, properties and uses.AluminiumMild SteelStainless SteelBrassPhosphor Bronze