The specific materials of stainless steel square tubes include Q235, SS400, 20#, 10#, 0Cr13, 1Cr13, 2Cr13, 304, 316, 316L, 321, 410B, etc. The specification range is 6-630mm×1-150mm‌, with It has the characteristics of corrosion resistance, light weight and good sealing. It is widely used in manufacturing structural parts and mechanical parts, such as oil drill pipes, automobile transmission shafts, bicycle racks, steel scaffolding, etc. It is also used in curtain wall engineering and steel structures. Factories, large venues, hotels, airports and train stations and other buildings and facilities