Bulk Galvanized Barbed Wire Fence 4 Point Strand Exporter
The product consists of a high‑tensile steel core wire wrapped with a zinc coating and formed into a four‑point barbed configuration. Each strand features two opposing barbs on each side, creating a
Request a QuoteBulk Galvanized Barbed Wire Fence 4 Point Strand Exporter
The product consists of a high‑tensile steel core wire wrapped with a zinc coating and formed into a four‑point barbed configuration. Each strand features two opposing barbs on each side, creating a total of four sharp points per twist that deter climbing and cutting.
Galvanization is applied via a hot‑dip process that deposits a uniform zinc layer on the steel surface. The coating mass is measured in grams per square metre (g/m²) and directly influences corrosion resistance in outdoor environments.
| Parameter | Typical Value | Reference Standard |
|---|---|---|
| Core wire diameter | 2.5 mm (±0.05 mm) | ASTM A641 |
| Zinc coating mass | 275 g/m² (Coating Class C) | ASTM A123 / EN 10244‑2 |
| Barb length | 15 mm (±1 mm) | Manufacturer spec |
| Barb spacing (pitch) | 75 mm (±5 mm) | Manufacturer spec |
| Tensile strength (core) | ≥ 550 MPa | ASTM A370 |
| Elongation at break | ≥ 12 % | ASTM A370 |
| Standard coil weight | 25 kg (±2 kg) | Manufacturer spec |
| Length per coil | ≈ 200 m (depends on diameter) | Manufacturer spec |
The four‑point design increases the effective gripping surface compared with conventional two‑point barbs, which improves resistance to manual tampering. This geometric advantage is particularly valuable in perimeter security where the fence must withstand sustained force without deformation.
- Livestock enclosures – prevents animals from pushing through or biting the wire.
- Industrial site perimeter – deters unauthorized climbing and provides a visible deterrent.
- Agricultural field boundaries – resists corrosion from soil moisture and fertilizers.
- Temporary construction barriers – easy to deploy and retrieve while maintaining structural integrity.
Quality control begins with raw material inspection, where the steel rod is verified for chemical composition and mechanical properties. After galvanization, each batch undergoes coating thickness measurement using a magnetic flux tester, ensuring the zinc mass meets the specified class.
Samples from every production lot are subjected to tensile testing to confirm strength and elongation values. Visual inspection under standardized lighting checks for uniform barb formation and absence of coating defects such as blisters or bare spots. Only lots that pass all tests are cleared for packaging.
Finished coils are wrapped in a water‑resistant polyethylene film and placed on wooden pallets. Corner protectors and steel strapping secure the load during transit. For export shipments, coils are loaded into 20‑foot or 40‑foot containers with adequate bracing to prevent shifting, and a moisture‑absorbent desiccant is added to mitigate condensation.
Can the wire diameter or coating mass be customized?
Yes, alternative core diameters (e.g., 2.0 mm or 3.0 mm) and coating classes (e.g., 180 g/m² or 350 g/m²) are available upon request, subject to minimum order quantities.
What information is needed for a quotation?
Required details include desired wire diameter, zinc coating mass, barb length, coil weight, delivery destination, and any specific packaging or labeling requirements.
How is quality verified before shipment?
Each lot receives a mill test report (MTR) documenting chemical composition, tensile strength, elongation, and coating mass. A third‑party inspection certificate can be arranged if required by the buyer.
What are the typical lead times?
Production lead time ranges from 2 to 4 weeks after order confirmation, depending on the complexity of custom specifications and current plant capacity.
