Your Reliable Square Post Fence Manufacturer in China
Anping Tuopeng square post fence is a fence system with square steel columns as the core. It consists of CNC-punched square pipe columns, 3D welded mesh, and flat locking clips. The square post adopts a multi-sided force-bearing structural design, which can greatly improve the bending and torsion resistance, provide stronger structural stability, and the surface adopts a double-layer anti-corrosion coating to achieve long-term outdoor durability.
The entire square post fence process is produced according to a strict quality control system, focusing on testing the structural strength and deformation resistance of the square post and conducting comprehensive inspections of the square post’s strength, punching accuracy, welding strength, and coating uniformity. Batch sampling inspections are carried out before each batch of products is shipped to ensure stable load-bearing and impact resistance. The product can provide CE, TUV certification, and testing document support. This streamlines your project acceptance and customs clearance processes, making your procurement more worry-free.
Structural Strengthening
Anping Tuopeng square post fence adopts the CNC punching integrated forming technology (40×40 to 80×80mm) for square steel columns. Through precise hole placement and uniform cross-section design, the column is more stable under stress, thereby improving the overall bending and torsion resistance of the fence. It also adopts a flat locking clip connection system to firmly lock the mesh and columns, reduce loosening and displacement, and ensure a neat and unified fence. This drastically cuts your on-site installation time and makes project delivery more stable.
Double Anti-Corrosion
Our steel square post fence surface has been hot-dip galvanized for substrate treatment, so that a dense zinc layer can be formed on the steel surface, isolating the water vapor oxidation environment, preventing surface rust, and thus extending the service life outdoors. The fence surface also adopts the AkzoNobel powder coating process, multi-stage surface pretreatment, and electrostatic spraying, so as to add an extra layer of protection outside the galvanized layer. With this double protection, the fence is UV-resistant and weather-resistant, which can reduce the frequency of your renovations and replacements.
Quick Installation
Our Anping Tuopeng square post fence is quick and labor-saving to install. Because of the modular standard structural design, the hole positions are uniformly aligned with the prefabricated ones and accurately connected, which significantly improves construction efficiency. At the same time, it is equipped with CNC 3D bending mesh, which is precisely adapted to square post columns, making the fence more impact-resistant and overall more complete. We support your bulk orders of standard sizes as well as full customization for special projects.
Integrated Export Packing & Logistics
To ensure transportation safety, Anping Tuopeng uses exclusive standardized stretch film pallets for packaging, and square posts and 3D mesh panels are stacked separately to make full use of container loading space. Whether FOB or CIF is done, we can assist in arranging booking and organizing a full set of customs declaration materials. All the supporting components of the fence (square post top cover, flat clips, expansion bolts) will be uniformly boxed and shipped with the fence. Our all-in-one packing solution is mainly designed to reduce your sea shipping costs and save you the trouble of purchasing additional accessories. This simplifies your customs clearance and goods receiving procedures.
Square Post Fence Specification
| Category | Specification Item | Standard Mid-to-High-End Model (General Scenarios) | Industrial Heavy-Duty Model (High Security Scenarios) | Compliance Standard & Remarks |
| Basic Product Info | Full Product Name | 3D Bending Welded Fence with Square Steel Posts | Heavy-Duty 3D Bending Welded Security Fence with Square Steel Posts | Compliant with GB/T 33283-2016, EU CE EN 10223-3 |
| Mesh Panel Core Specs | Raw Material | Q235B High Tensile Low Carbon Steel Wire | Q235B High Tensile Low Carbon Steel Wire | Fully automated welding, no cold welds or missing welds |
| Wire Diameter (Before Coating / After Coating ) | 4.0 mm / 4.5 mm (5.0 mm recommended) | 5.0 mm / 6.0 mm | Superior to the common 3.0- 3.5 mm market products | |
| Mesh Aperture | 50×200 mm (Standard) | 50×200 mm (custom 50×100 mm optional) | Industry standard modulus, perfect fit for square post clips | |
| Standard Panel Width | 2500 mm | 2500 mm | The optimal container loading size fits the engineering modulus | |
| Panel Height & V-Bend Quantity | 630 to 1730 mm, 2-3 V-bends | 1530 to 2430 mm, 3-4 V-bends | V-shaped ribs enhance wind and impact resistance | |
| Bend Wave Pitch | 190 mm | 190 mm | Standardized design, strong interchangeability | |
| Square Post Core Specs | Post Size | 50×50 mm Square Steel Post | 60×60 mm Square Steel Post (80×80 mm optional) | CNC precision punched holes, zero deviation |
| Post Wall Thickness | 1.5 mm | 2.0 mm (2.5 mm optional) | 60% greater anti-deformation capacity than thin-walled generic posts | |
| Post Length | 300 mm higher than the mesh panel, with a flange base | 300 mm higher than the mesh panel, with a reinforced flange base | Supports both buried and expansion bolt installation | |
| Double Anti-Corrosion Treatment | 1st Layer Hot-Dip Galvanizing | Zinc Layer Thickness ≥65μm | Zinc Layer Thickness ≥85μm | Compliant with ISO 1461 to effectively prevent steel rust |
| 2nd Layer Powder Coating | AkzoNobel Polyester Powder, Coating Thickness 60-100μm | AkzoNobel Weather-Resistant Polyester Powder, Coating Thickness 80-120μm | UV-resistant formula, excellent outdoor weatherability | |
| Salt Spray Test | ≥1000 Hours No Rust Spots | ≥1200 Hours No Rust Spots | Far exceeds industry standard 480 hours, 20-year outdoor warranty | |
| Standard Colors | RAL6005, RAL7016, RAL9005 | RAL6005, RAL7016, RAL9005 | Full RAL color range customization available | |
| Installation Accessories | Complete Fittings | Anti-theft flat clips, stainless steel bolts, plastic post caps, flange bases, expansion bolts | Reinforced anti-theft clips, 304 stainless steel bolts, reinforced plastic post caps, reinforced flange bases, and expansion bolts | Same material, anti-corrosion, no color difference, supplied together with panels |
| Quality Performance Standards | Welding Tensile Strength | ≥500N | ≥600N | Resistant to weld cracking under impact |
| Post Bending Resistance | 1.5 mm 50×50 mm post no deformation under lateral impact | 2.0 mm 60×60 mm post no deformation under heavy impact | Ideal for high-frequency impact scenarios like factories and roads | |
| Coating Adhesion | Cross-Cut Test Level 0 | Cross-Cut Test Level 0 | No peeling or fading under outdoor exposure | |
| Compliance Certifications | CE, TUV third-party test reports, and batch inspection reports are available | CE, TUV third-party test reports, and batch inspection reports are available | Supports customs clearance, domestic project bidding, and acceptance | |
| Packaging & Logistics | Packaging Method | Standardized pallet wrapping, mesh, and posts stacked separately | Standardized pallet wrapping, heavy-duty products extra reinforced | Maximizes container space utilization, reduces sea freight cost |
Applications of Square Post Fence
Anping Tuopeng square post fence uses high-strength square posts with strong impact and corrosion resistance and a dual-layer protective coating. It fits factory zoning and warehouse perimeter fencing and cuts your long-term maintenance costs.
You can use our square post fence in residential communities and for park boundary fencing. Custom color matching and stable snap structure help you deliver long-term, beautiful, and non-deformable landscape enclosures, improving the overall engineering quality.
Our square post fence’s strong and impact-resistant square post structure is combined with unified quality control to help you reduce on-site rectification processes. It is suitable for campus playgrounds and perimeter fencing, improving your municipal project acceptance efficiency.
Our square post fence is suitable for use in park green belts and sightseeing area separation. Powder coating is resistant to sun and rain and does not fade easily, reducing your replacement cost and making the project more worry-free.
Anping Tuopeng square post fence is suitable for large-scale municipal road isolation projects. Standardized square post specifications are shipped in one package with a full set of accessories, helping you improve construction efficiency and reduce overall shipping costs.
The square post structure is a multi-sided force-bearing structure with stronger bending and torsion resistance. It is more stable overall and is not prone to rotation or loosening. Although the round tube is evenly subjected to force, the stability of the fixed connection is weak.
Anping Tuopeng square post fence adopts a standardized hole design and a modular installation system, so that the mesh and the column are firmly locked together, the installation efficiency is higher, and the fence is more neat overall. At the same time, the thickened square post structure further improves the impact and deformation resistance, and the overall performance is better than that of traditional round tube guardrails.
Yes. However, it is recommended that you choose the heavy-duty anti-corrosion model. Our square post fence adopts a hot-dip galvanizing and powder coating double-layer protection process, which can effectively resist ordinary rain, humid air, and a daily corrosive environment.
Designed with a double-layer anti-corrosion structure, this fence delivers superior weather and corrosion resistance in normal outdoor use and basically does not require frequent maintenance on a daily basis. And our fence is a modular design; local damage can be replaced separately, further reducing your later maintenance and repair costs. However, if you are in a coastal or highly corrosive environment, it is recommended that you choose the enhanced anti-corrosion version to extend the service life.
