Square tubes, as the name implies, are tubular shapes with a square cross-section. Many different materials can be shaped into square tubes. Their use, purpose, and application vary widely; however, the majority are made from steel pipes. They are deboxed, flattened, curled, and welded into round tubes, which are then rolled into square tubes and cut to the required length. Generally, they are used for...50Rim each package of square tube is mostly available in large sizes.10*10*0.8-1.5~~500*500*10-25Square tubes are categorized by their applications, including structural square tubes, decorative square tubes, construction square tubes, and mechanical square tubes, among others.