| Product Name | square and rectangular steel pipe |
| Specifications | Square pipe: 20*20mm~500*500mm Rectangular pipe: 20*40mm~300*500mm Thickness: 1.2mm~20mm Length: 2.0m~12m |
| Material | carbon steel |
| Steel Grade | Q195 = S195 / A53 Grade A Q235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST42.2 Q355 = S355JR / A500 Grade B Grade C |
| Standard | EN10219, EN10210 GB/T 6728 JIS G3466 ASTM A500, A36 |
| Surface Anti-rusty Coating | Plastic wrapped Slightly oiled Painted black or other color |
| Pipe Ends | Plain ends |
| Certificates | ISO 9001 / ISO 18001 / ISO 14001 / CE |
| Usage | Construction / building materials steel pipe Structure steel pipe Solar structure component steel pipe Fence post steel pipe Greenhouse frame steel pipe |
| Trade terms | FOB, CFR, CIF, EXW, FCA |
| Payment terms | T/T, LC |
| Delivery time | 15-45 days (based on quantity) after receiving advanced payment by T/T or LC . |
| Main market | Southeast Asia, South Asia, Middle East, Europe, Middle&South America, Africa and Oceania |

| Place of Origin | Shandong, China, SHN | Processing Service | Bending, Welding, Punching, Cutting |
| Brand Name | Zhengshen | Oiled or Non-oiled | Non-oiled |
| Application | Construction/steel structure | Invoicing | by actual weight |
| Alloy Or Not | Non-Alloy | Delivery Time | 7days |
| Section Shape | rectangular | Product name | Hot Dip Galvanized Steel Pipe |
| Thickness | 1-10mm | Material | Q345 |
| Standard | ASTM, JIS G3463-2006 | Surface | Hot Dipped Galvanized |
| Length | 12M, 6m, 6.4M, by custom | Keyword | Galvanzied Steel Pipe |
| Certificate | ce, BIS, ISO9001 | Technical | Hot-dip Coating |
| Grade | Q195/Q215/Q235/Q345, GR.A/B, S235/S355 | Key word | Galvanized Steel Carbon Pipe |
| Surface Treatment | galvanized, Bare | Steel Grade | ASTM ASME |
| Tolerance | ±10% | ||
Our associate factory located at Chongqing, which specializes in producing reliable quality welded pipes, seamless pipes, galvanized pipes, spiral pipes, large diameter thick wall pipe, steel sheets and other custom-made various precision metal products with an annual output of 200,000 tons.