Features of Hot-Dipped Galvanized 3D Fence
- Full zinc coating on all weld points
- V‑bend built‑in structural stiffeners
- Dual anti‑corrosion surface finishes
- Akzo‑Nobel powder coat option
- High‑tensile base steel material
- Consistent weld joint integrity
- Precision mesh opening geometry
Your Trusted Hot-Dipped Galvanized 3D Fence Supplier in China
Hot-dip galvanized 3D V-shaped bent fence produced by Hebei Panjian Wire Mesh Products Co., Ltd. relies on raised curved V-shaped reinforcing ribs to reinforce the mesh structure. It has stronger overall rigidity and stable protection. Ideal for standard perimeter security in industrial parks, solar farms, and public infrastructure. For maximum-security sites requiring heavy anti-intrusion measures, custom top extensions (e.g., Y-posts with razor barbed wire) are available upon request.
Our full OEM and ODM outsourcing services centre on this 3D V‑bend fence. You can adjust wire thickness, mesh size, panel height and width, plus how many V‑shaped ribs you need. We offer alternative hot‑dip galvanizing parameters, along with different Akzo‑Nobel powder‑coat RAL colour choices. We are able to supply matching technical drawings to help you with perimeter‑fence tender documents and bulk procurement needs.
Types of our Hot-Dipped Galvanized 3D Fence
We use post‑weld hot‑dip galvanizing, giving full zinc protection to welds and wires. It suits regular‑weather outdoor perimeter projects and keeps costs reasonable.
Base material is hot‑dip galvanized steel, then we add an Akzo‑Nobel powder topcoat. This brings better colour stability and further corrosion resistance for harsh outdoor conditions.
Steel wire is pre‑galvanized first, then welded into fence panels. It is a budget‑saving perimeter fencing choice for temporary use or locations with low corrosion risk.
Hot-Dipped Galvanized 3D Fence Specification
- Panel Dimensions
- Physical & Mechanical Data
- Surface Treatment
- Auxiliary Components
- Installation & Environmental Reference
| Item | 2‑curved V‑bend | 3‑curved V‑bend | 4‑curved V‑bend |
| Panel Size (H × W) | 1.23 m × 2.0 m | 1.83 m × 2.5 m | 2.43 m × 3.0 m |
| Matching Square Post | 40×40 mm, t=1.5 mm | 50×50 mm, t=1.5 mm | 80×80 mm, t=2.0 mm -2.5 mm |
| Standard Mesh Opening | 50 × 200 mm | 50 × 100 mm | 75 × 150 mm |
| Parameter | Specification |
| Base Material | High-tensile Low Carbon Steel Wire (Q235 / SAE 1008 grade) |
| Common Stock Wire Diameter | Inner Steel Wire: 3.0–5.0 mm | Finished Outer Diameter (with coating): 3.2–5.2 mm |
| Wire Tensile Strength | 450‑550 N/mm² (Available upon request, test report optional) |
| Welding Process | Automatic resistance welding |
| Weld‑joint performance | Consistent joint integrity; weld‑shear test report: Available upon request |
| V‑bend Quantity | 2 / 3 /4 ribs corresponding to panel height |
| Approx. Panel Weight | 7‑14 kg per panel (depends on wire diameter, for reference only) |
| Alias | 3D curved fence, V‑beam welded mesh fence, triangle bend fence |
| HS Code | 73142000 |
| Treatment Item | Details |
| Hot‑dipped galvanized (post‑weld) | Zinc coating 60‑120 μm, compliance with ISO 1461 / ASTM A123: Available upon request |
| Akzo‑Nobel Polyester Powder Coating | Coating thickness 60‑80 μm; stock colors: black, green, blue; extra RAL colours: Available upon request |
| Pre‑galvanized alternative grade | Pre‑zinc‑coated wire then welded (economical grade) |
| Component | Description |
| Heavy-Duty Metal Fixing Clips & Security Brackets | Metal locking clips for panel‑post assembly |
| Post Cap | Rain‑proof cap: Available upon request |
| Fasteners | M8 / M10 anti‑theft bolts: Available upon request |
| Gate accessories (swing / sliding gate) | Available upon request |
| Item | Note |
| Valid installation modes | Direct‑buried; Flange base plate mounting (flange plate: Available upon request) |
| Suitable operating condition | Normal atmosphere, inland & coastal open‑site perimeter |
| Unsuitable application | High‑threat anti‑intrusion sites requiring razor barbed‑wire defence |
| Wind‑load calculation data | Project‑specific calculation: Available upon request |
How Is a Hot-Dip Galvanized 3D Fence Made?
Steel Wire Selection
Before production, Q235 low-carbon steel wire is selected according to the order requirements, and the commonly used wire diameter is 3.0‑5.0 mm. The entire process is produced and shipped according to unified specifications to prevent deviations from occurring after the finished product is completed, which could cause the mesh strength, overall weight, and dimensions to fail project specifications.
Automatic Welding
The prepared steel wire will enter the automatic resistance welding machine to complete the welding at the intersection of the horizontal and vertical steel wires. This is the basic planar mesh made for subsequent 3D processing. The key to this step is to ensure that the weld points on each fence mesh are secure and stable, and that the mesh size is uniform. Manual welding is prone to virtual welding or mesh deviation. Even if there is only a slight difference between each mesh, when facing large orders, the mesh is assembled together, and the deviation will be amplified. Hebei Panjian uses automatic welding technology to ensure consistent quality across all meshes.
3D V-Bend Forming
After the planar welded mesh is completed, V-bends will be performed at the specified positions according to the design requirements. This bending isn’t just about making the fence look more three-dimensional. The V-shaped structure can increase the rigidity of the mesh, allowing the panel to maintain better stability, without relying solely on increasing the diameter of the steel wire to improve strength.
Depending on the product design, a single 3D fence can be bent in 2, 3, or 4 V-bends. The position and depth of the bend must be consistent. If the bending deviation of each mesh is too large, the mesh and column will be misaligned during later installation.
Hot-Dip Galvanized After Welding / Batch HDG
After the mesh is welded and 3D bent, it enters the galvanizing process. However, surface preparation is still required before immersion in zinc solution. The welded panel undergoes degreasing, pickling, and fluxing before galvanizing to remove rust and other impurities, allowing the zinc layer to better adhere to the steel surface. If you are more concerned about the later corrosion protection performance, this step is also worth paying attention to.
After the treatment is completed, the entire welded mesh will be immersed in molten zinc for hot-dip galvanizing, with a conventional zinc layer thickness of 60–120 μm.
Inspection & Packing
After galvanizing is completed, the mesh will undergo inspection for appearance, size, mesh size, weld-point condition, and overall surface quality. If you require a powder-coated surface, you can powder coat and apply the specified color treatment as needed after galvanizing is complete.
After the finished product inspection is completed, it is also necessary to confirm whether the mesh matches the corresponding column and connector. If the specifications of the columns, clips, or other accessories are not correct, problems will still occur during on-site installation.
The mesh is then packaged for protective purposes and prepared for container loading. Suitable protective films, packaging methods, and pallet securing can reduce scratches, coating damage, and deformation during handling and shipping.
If you have a large order, Hebei Panjian will consider in advance how the mesh, columns, and accessories will be placed in the container. We will try our best to meet your reasonable packing requirements, taking into account whether it is convenient to unload, inventory, and distinguish after shipment.
Hot-Dip Galvanized vs. Pre-Galvanized 3D Fence
The two products look very similar in appearance and can easily be identified as the same product, but in reality, there is a huge difference. The most important difference between them is the order of processing.
Process Difference
Pre-Galvanized 3D Fence involves galvanizing the steel wire first, followed by welding; while hot-dip galvanized fencing involves welding the mesh first, followed by hot-dip galvanizing the entire finished product.
Weld‑Joint Anti‑Corrosion Performance
These two processing sequences have a significant impact on the weld point. Pre-Galvanized 3D Fence is affected by high temperatures during welding, and the original zinc layer may be damaged in the welding area, so the corrosion protection strength of the weld point will be lower than that of other parts.
For mesh sheets that are welded first and then hot-dip galvanized, the entire finished product will re-enter the zinc liquid after welding, so that the weld points and the exposed steel surface can regain coating protection.
Application & Cost Reference
Hot-dip galvanizing has good corrosion resistance and is suitable for coastal and humid environments as well as long-term outdoor engineering projects. Hot-dip galvanizing is our flagship manufacturing process for long-term outdoor projects. Pre-Galvanized 3D Fence offers high cost-effectiveness and is suitable for temporary enclosures or inland low-corrosion environments, but is not suitable for long-term seaside projects.
How to Choose the Right Wire Diameter for a 3D Fence
Choosing the wire diameter for a 3D fence doesn’t mean the thicker it is, the better. When the fence height is not high, and the usage environment is relatively ordinary, we should not only pursue a large diameter, but also strive for stable strength. When selecting the actual type, the fence height, mesh size, and V-shaped bending structure need to be comprehensively compared.
Start with Fence Height
The higher the fence, the more obvious the wind force and external effects on the mesh will be. If the wire diameter is too thin, the rigidity may not be enough. If it’s a lower fence like a house or garden, you can choose a relatively lighter wire diameter. If it is a high perimeter fence, such as in an open area with strong wind, the wire diameter should be increased appropriately.
Consider the Mesh Size Too
The same wire diameter, when paired with different mesh holes, will result in different overall support effects for the mesh. The steel wires with smaller mesh holes are more densely distributed, and the mesh as a whole will be tighter; when the mesh holes are larger, the supporting role of the steel wires themselves will be more obvious. If your project requires a larger mesh, it is more valuable to compare the diameter of this wire and the mesh together than to look at them individually as “a few millimeters of wire”.
V-Bends Also Affect Your Choice
With the same wire diameter, V‑bends enhance the rigidity of 3D fence panels. Panels with well-designed bends are usually more upright than flat meshes and can better maintain the panel shape. Therefore, product strength cannot be determined solely by the diameter of the steel wire. The number of bends, bend depth, mesh height, and mesh size should all be considered together.
Purchasing and Shipping Costs
When the steel wire is thickened, the weight of the mesh will also increase. The difference between small-batch purchases is not very obvious. If the order volume is large, hundreds of pieces or even whole cabinets will be shipped. The amount of materials used and the weight shipped by sea will affect the final cost. If your project does not require particularly high strength, there is no need to choose an excessively thick wire diameter; otherwise, it will increase unnecessary costs. When comparing quotes from different suppliers, you can first confirm the actual wire diameter of the finished product, and then compare prices according to the same specifications so that the prices can be truly comparable.
Hebei Panjian can manufacture 3D fences with different wire diameters and V-bend combinations, depending on your fence height, mesh specifications, and actual usage environment. During mass production, the actual wire diameter of the finished product will also be controlled according to the confirmed specifications to avoid differences between the previously confirmed specifications and the final received product, and to facilitate cost comparison.
3D Fence Wire Diameter Selection Guide
| Project Type / Application | Typical Fence Height | Site Conditions | Recommended Wire Diameter | Why This Works |
| Garden & Residential | 1.0–1.5 m | Low wind, ordinary residential areas | 3.0–3.5 mm | A lighter wire diameter is usually enough for lower fences and helps keep material costs under control. |
| School & Community Areas | 1.5–2.0 m | Normal outdoor conditions, regular pedestrian activity | 3.5–4.0 mm | Provides a better balance between panel rigidity, durability, and overall cost. |
| Park & Public Areas | 1.5–2.0 m | Open outdoor areas, moderate wind exposure | 3.5–4.0 mm | Suitable when you need a more stable panel without moving to a heavier specification. |
| Factory & Warehouse | 1.8–2.4 m | Larger perimeter areas, possible wind exposure | 4.0–5.0 mm | A thicker wire can provide better panel rigidity for taller perimeter fencing. |
| Solar Farm | 1.8–2.4 m | Large open sites, stronger wind exposure | 4.0–5.0 mm | The larger fence height and open surroundings make rigidity and wind resistance more important. |
| Roadside & Infrastructure | 1.5–2.4 m | Open areas, vehicle and wind exposure | 4.0–5.0 mm | A heavier specification can be considered when the fence needs to maintain its shape in more demanding outdoor conditions. |
| Coastal or High-Humidity Projects | 1.5–2.4 m | Humid, salty, or corrosive environment | 3.5–5.0 mm* | Wire diameter should be selected together with the corrosion protection system rather than used as the main factor for durability. |
Yes. For bulk orders, we run inspections against your confirmed specs before shipment. We check wire diameter, mesh size, weld‑point condition, and zinc layer thickness. You may bring in your own third‑party inspection firm; just inform us ahead for coordination. Special acceptance rules from your project need attention early. Tolerance ranges, target zinc thickness, or inspection methods, if settled before production, will cut down repeated standard discussions during inspection.
Yes. We supply material‑related and quality records matching your order. These include material certificates, production inspection records, galvanizing test reports, and CAD drawings. Send over your document checklist if your project has fixed document requirements. We will go through your list item by item and tell you what we can deliver. When you handle bidding or project acceptance with strict document demands, sorting out requirements early lets us get all papers ready alongside goods, instead of rushing to add extra files right before shipping.
Under normal use, hot-dip galvanized 3D fences are relatively easy to maintain and do not require frequent surface repainting. Normally, we mainly check the mesh, columns, weld joints, connectors, and fixing points to see if there is any looseness, deformation, or other obvious damage. During installation, care should also be taken to avoid unnecessary collisions and scratches to avoid damaging the galvanized layer.
If the fence encounters severe weather such as strong winds or heavy rain after installation, it can be inspected in time. In coastal areas, environments with high humidity, or environments with heavy industrial pollution, the inspection frequency can also be appropriately higher. Once the damaged area is discovered, it can be treated promptly.
Yes. We will understand the specific usage requirements of the fence before production. Solar power plants, roads, and other relatively open and windy projects typically require higher levels of fence stability, so in such cases, it’s not appropriate to simply choose according to standard specifications. The mesh height, wire diameter, V-bend design, column specifications, and installation method all need to be adjusted according to the project situation.
If you have local wind load data, field drawings, or a specified fence design for your project, you can send it to us when you inquire. Hebei Panjian will confirm the appropriate specifications and configurations based on this information.
After receiving the goods, it is recommended to take photos or record videos in time to keep them. If you notice any rust on our products, you can first send us the number of affected mesh pieces and photos of the site. We will verify promptly and check the production records and pre-shipment inspection records to confirm whether the problem is caused by the product itself or by transportation, handling, and other links.
We issue a pre-shipment Zinc Thickness Inspection Report and Mill Test Certificate (MTC) with every shipment. If any batch fails quality standards or shows manufacturing-related rust upon delivery, we guarantee 100% free panel replacements in your next container or a direct credit/refund for the affected units.
Under normal use, a hot-dipped galvanized 3D fence has relatively stable corrosion resistance and can maintain a long service life. It can be used for many years in ordinary township environments. If it is located in coastal areas with high salt spray, high humidity, or serious industrial pollution, its service life will be relatively shortened.
How long it actually lasts is closely related to the thickness of the steel wire, the thickness of the zinc layer, and the quality of the on-site installation. When encountering sites with high corrosion risks, appropriately increasing the zinc layer thickness and selecting thicker steel wire can offset some of the environmental losses, thereby extending the overall service life.
