Our Stainless Steel Rectangular Tube is available in Grade 304, as standard (also known as 1.4301). This the most versatile and commonly used grade of Stainless Steel. It is a general purpose grade that is excellent for welding, machining and fabricating. It is also a popular choice for its excellent corrosion resistance.Rectangular Tube has been applied in many applications including;Decorative Railings & Signs Frame Building Furniture