Galvanized Square Steel Tube is produced by cold-forming and galvanizing mild steel strips to provide excellent corrosion resistance and high mechanical strength.
It is ideal for building structures, frameworks, greenhouses, furniture, and fences.
We offer both pre-galvanized and hot-dip galvanized options, ensuring uniform zinc coating and precise dimensions.
Custom sizes, lengths, and coatings are available.
| Item | Description |
| Product Name | Galvanized Square Steel Tube |
| Grade | Q195 / Q235 / Q345 / S235 / S355 |
| Standard | ASTM A500 / EN10219 / GB/T6728 |
| Size Range | 20x20mm – 200x200mm |
| Wall Thickness | 0.2mm – 10.0mm |
| Length | 5800mm / 6000mm / 12000mm or customized |
| Zinc Coating | 40–275 g/m² |
| Surface Finish | Pre-Galvanized / Hot Dipped Galvanized |
| Ends | Plain / Beveled / Plastic Cap |
| Application | Construction, Structure, Furniture, Fence, Greenhouse |
| Packing | Bundled with steel strips or plastic wrapped |
| Origin | China |
