Wholesale Galvanized Razor Wire Concertina Fence

Galvanized razor wire concertina fence consists of a high-tensile steel core wrapped with sharp-edged steel tape that is formed into coils and then hot-dip galvanized to provide corrosion resistance. This construction yields a barrier that combines mechanical strength with a deterrent surface, suitable for high‑security perimeters where both durability and intrusion prevention are required.

Key Technical Characteristics

The core wire is typically low‑carbon steel with a diameter ranging from 2.5 mm to 3.5 mm, selected for its yield strength (>350 MPa) and flexibility during coiling. The razor tape is produced from cold‑rolled steel strip, thickness 0.5 mm to 0.8 mm, with a profile that creates penetrating points when the coil is tensioned.

• Core diameter: 2.5 mm – 3.5 mm (customizable)
• Tape thickness: 0.5 mm – 0.8 mm
• Coil outer diameter: 200 mm – 500 mm (depending on length)
• Zinc coating: minimum 55 µm (hot‑dip) per ISO 1461

Manufacturing Process

After drawing the core wire to the specified diameter, it is cleaned and passed through a hot‑dip galvanizing bath at approximately 450 °C, forming a metallurgical zinc‑iron alloy layer. The razor tape is slit, profiled, and then wound around the core under controlled tension to achieve uniform coil pitch. Final inspection includes visual examination of coating continuity and dimensional verification of coil dimensions.

Typical Performance Values

Applications and Suitability

Concertina razor wire is selected when a physical barrier must delay or deter intruders while maintaining a low visual profile. The sharp tape creates a painful contact zone that discourages climbing, and the galvanized coating ensures the barrier retains its integrity in outdoor environments exposed to moisture, UV, and temperature cycling.

• Correctional facility perimeters
• Military bases and forward operating sites
• Electrical substations and power generation plants
• Water treatment and storage reservoirs
• Industrial yards with high‑value equipment

Quality Assurance

Each production lot undergoes tensile testing of the core wire, coating thickness measurement via magnetic induction, and visual inspection for tape defects. The manufacturer maintains traceability through batch numbers linked to raw material certificates and galvanizing parameters. Non‑conforming coils are segregated and re‑processed or scrapped according to internal quality procedures.

Customization Options

Buyers can specify core diameter, tape profile, coil length, and zinc coating class to match project‑specific load and environmental conditions. Optional features include PVC‑over‑coated tape for added corrosion resistance in aggressive atmospheres, and stainless‑steel core for marine applications where chloride exposure is high.

• Core diameter: 2.0 mm – 4.0 mm
• Tape thickness: 0.4 mm – 1.0 mm
• Coil length: 5 m – 100 m
• Zinc coating: 45 µm – 85 µm (hot‑dip) or electro‑galvanized
• Optional PVC overcoat: 0.2 mm – 0.4 mm

Packaging and Logistics

Coils are wound onto reusable steel or wooden reels, then wrapped in UV‑stabilized polyethylene film to protect the zinc coating during transit. Bundles are secured with steel straps and placed on pallets that conform to ISO 1496‑1 dimensions for container shipping. Each pallet is labeled with product code, batch number, and quantity.

Frequently Asked Questions

• Can dimensions be customized? Yes, core diameter, tape profile, coil length and coating thickness can be adjusted to meet project specifications.
• What information is required before quotation? Required details include intended application, required coil length, core diameter, tape thickness, coating class, and any special packaging or certification needs.
• What materials are available? Standard offering uses low‑carbon steel core with hot‑dip galvanized razor tape; alternatives include stainless‑steel core and PVC‑over‑coated tape.
• How is quality inspected? Quality control includes tensile strength testing, coating thickness measurement, visual inspection of tape integrity, and dimensional verification of coil dimensions.
• What packaging methods are available? Coils are supplied on steel or wooden reels, wrapped in polyethylene film, strapped and palletized for container transport.
• How are export shipments protected? The polyethylene wrap and strapping prevent coating damage; pallets are fitted with corner protectors and stretch film as needed.
• What is the typical production lead time? Lead time varies with order size and customization but generally ranges from 2 to 4 weeks after receipt of confirmed specifications.
• How are samples arranged? Samples of up to 2 m length can be provided upon request, with shipping costs borne by the requester.

For technical inquiries, pricing, or to discuss specific project requirements, please contact our sales team.