| Product Name | 18x18 Asian Black Iron Square Tube/Black Square Steel Pipe |
| Material | 10#, 20#, 45#, 16Mn, A53(A,B), Q235, Q345, Q195, Q215, St37, St42, St37-2, St35.4, St52.4, ST35 |
| Wall Thickness | 0.6mm-25mm |
| Outer Diameter | 20MM~508MM |
| Length | Length:Single random length/Double random length |
| 5m-14m,5.8m,6m,10m-12m,12m or as customer's actual reques |
| Standard | API 5L, ASTM A53-2007, ASTM A671-2006, ASTM A252-1998, ASTM A450-1996, ASME B36.10M-2004, ASTM A523-1996, BS 1387, BS EN10296, BS |
| 6323, BS 6363, BS EN10219, GB/T 3091-2001, GB/T 13793-1992, GB/T9711 |
| Grade | 10#-45#, 16Mn, A53-A369, Q195-Q345, ST35-ST52 |
| Grade A, Grade B, Grade C |
| Technique | Hot Dip Galvanized Round Steel Pipe |
| Packing | Bundle, or with all kinds of colors PVC or as your requirements |
| Pipe Ends | Plain end/Beveled,protected by plastic caps on both ends, cut quare,grooved,threaded and coupling,etc. |
| Surface Treatment | 1. Galvanized |
| 2. PVC,Black and color painting |
| 3. Transparent oil,anti-rust oil |
| 4. According to clients requirement |
| Product Application | 1. Fence, greenhouse, door pipe,greenhouse |
| 2. Low pressure liquid, water, gas, oil, line pipe |
| 3. For both indoor and outdoor the building construction |
| 4. Widely used in scaffolding construction which is much cheaper and convenient |
| Certificates | API ISO9001-2008,SGS.BV |