Q235B kare tüpü, işlem tedavisinden sonra Q235B sıcak veya soğuk çelik strip tarafından oluşturulmuş kare tüpüdür.Q235B square tube uses: mechanical equipment manufacturing, glass curtain wall, marble curtain wall dry hanging, shipbuilding, cargo support, steel structure engineering, furniture manufacturing, medical equipment, agricultural and chemical machinery, auto parts, etc.