Rectangular steel pipes and tubes are used in different industrial applications. These are used for accomplishing different purposes. The common areas, where these rectangular pipes and tubes are used are: supermarket racks, container fabrication, auto fabrication, motor cycles, doors and windows, industrial plant structure, bicycles, furniture etc. There are several guidelines for defining the rectangular pipes and tubes. These guidelines are length, width, height, welding gap, radius, diameter etc. According to the nature of the requirements, the size of the rectangular steel pipes and tubes can be altered. The thinner or the slimmer tubes are used for developing structures and frames. The seamless rectangular pipes can resist more pressure than the welded seam pipes.

Due to its versatility the rectangular tubes are commonly used in various segments. For structure building or house construction, the rectangular steel pipes are used as beams. The rectangular steel tubing needs to be constructed in an assembled way for rigidity. Nowadays for a better rigidity, a rectangular steel tubing are mixed or bonded with fiberglass.