Galvanized concertina wire is typically used as a security measure to deter and prevent unauthorized access to restricted areas. Its sharp edges and dense construction make it difficult for people or animals to climb over or cut through, thus providing an effective physical barrier. Therefore, it is commonly seen around military bases, prisons, government buildings, airports, and other high-security locations.

Wanzhi Steel, as a professional concertina wire supplier, has a large number of commonly used wire gauges and various blade types in stock, and we also have galvanized wire and stainless steel wire options. Please feel free to contact us.

Galvanized Concertina Razor Barbed Wire

concertina coil fencing

concertina razor wire coils

Galvanized Concertina Wire Specification

What is Concertina Wire?

Bto-22 High Zinc Coated Razor Wire Concertina

Spiral Security Barrier Razor Barbed Tape Wire

Why do They Call it Concertina Wire?

The word “concertina” originally refers to a hexagonal instrument similar to an organ, which is easy to carry and fold. The concertina wire is named because it has a wavy shape (similar to the folds of an accordion) when unfolded.

Blade Specifications

What’s the Difference Between Razor Wire and Concertina Wire?

flat razor wire

Single spiral razor wire

What is the Advantage of Concertina Wire?

1. Helical Structure

The corrugated barbed wire features a double-crossed helical arrangement. Viewed from the side, it forms a dense diamond pattern with sharp points all around, providing a 360° deterrent effect.

2. High Corrosion Resistance

Hot-dip galvanized serpentine razor wire has a service life of 10 to 15 years in environments such as coastal areas, border regions, and rainforests. If you require even higher rust resistance, we recommend stainless steel razor wire.

3. High Strength and Toughness

The tensile strength of the steel wire ranges from 1200 to 2000 MPa, and it possesses excellent impact and shear resistance, making it virtually impossible to cut with standard shearing tools.

4. Superior Protective Performance

The sharp blades or spikes significantly increase the difficulty of climbing. When deployed, it covers a large area with a wide protective range and can be rapidly unfurled, making it an extremely convenient defensive material.

Flat Cross Welded Razor Fence

wire concertina

GI concertina wire

Installation Method Classification

From left to right in the picture.

4 types of installation methods

FAQs

How Sharp is Concertina Wire?

Also known as razor blade wire, we offer a wide variety of blade types. Roll-formed, it’s sharp enough to secure your private property or war zone, making it impenetrable.

How Strong is Concertina Wire?

Razor wire consists of a single, thick-diameter, smooth steel wire as the core, with blades made from perforated high-zinc coated steel strip. It has high tensile strength, is difficult to cut, won’t rust for decades, and the blades won’t fall off.

What is the Difference Between Concertina Wire and Barb Wire?

Barb wire is a type of wire with spiral barbs arranged at regular intervals, usually laid in a straight line in areas requiring protection. Accordion wire, on the other hand, consists of two or more blade-shaped wires, flat and coiled, allowing it to extend and retract like an accordion, and is sharper than barbed wire.

What is Concertina Wire Made Of?

Secure it to the fence every foot and to adjacent wire rolls every four feet. Additionally, the accordion wire is usually connected with pignose rings or stainless steel rebar. Rebar connections reduce vibration but are more time-consuming to install.

How is GI Concertina Wire Installed?

Generally concertina wire is attached every foot to the fence and every four feet to an adjoining role. Besides, concertina wire is attached with hog rings or stainless steel rebar ties. The rebar ties are used to reduce vibrations but take considerably longer to install.

stainless steel concertina wire

Bto-22 Low Price Flat Barbed Fencing Concertina

fence concertina wire

Is Concertina Wire Easy to Cut?

Concertina wire is made of galvanized wire or stainless steel wire, suitable for different environments and safety levels. Its razor-like surface is difficult to crush or shear, and almost impossible to cut without specialized tools.

What is the Spacing For Concertina Wire?

The maximum stretched length of the accordion coil is 10 meters. The maximum spacing between coil openings after stretching should not exceed 18 cm. The core wire is 2.5 mm diameter (minimum) galvanized high-strength steel wire. The blade width is 22 mm with a spacing of 13 mm. This size is not fixed; custom sizes are available from Wanzhi Steel.

What are the Practical Applications of GI concertina wire?

Military defense: It is often used for the protection of military bases, borders, and other areas. Its unique structure and sharp blades can effectively prevent illegal intrusion and provide high security protection.

concertina razor wire

Razor Wire Fencing

Prison fence: In places such as prisons that require high security protection, it is used as a security fence to prevent prisoners from escaping or outsiders from illegally entering.

Airport security: As an important transportation hub, the airport has extremely high requirements for security protection. It can be used for airport fences to enhance the airport’s security protection capabilities.

Industrial and commercial areas: GI concertina wire can be installed on the fence to form an impenetrable barrier to protect the property and personnel in the area.

Private property protection: For private residences, manors, and other properties, concertina wire is also an effective means of protection. It can be installed on fences or walls to increase the difficulty of illegal intrusion.

Temporary security isolation: In large-scale events, construction sites, and other occasions where temporary security isolation is required, GI concertina wire can be quickly deployed to form a temporary security barrier.

Supply Concertina Galvanized Razor Barbed Wire

Concertina Razor Wire Roll Bto-22

Cbt-65 Galvanized Concertina razor barbed tape

What is the formula for calculating the weight of a wire?

In fact, you may not be sure how it’s calculated, so this formula is for your reference.

The standard formula is: Weight = Volume × Density, and then the practical application if you have the diameter (D) of the wire, use the formula for the cross-sectional area (A) of a circle: A = π(D/2)^2.

Storage & Shippment

concertina wire for sale

 

South Africa 229 tons of GI Razor Wire Project

Standard Package

carton packaging

package of concertina wire

Plastic inner and outer packaging

Concertina Wire Supplier- Wanzhi Steel

Concertina or spiral razor wire is a material with a high return on investment. It is a kind of common razor wire and occupies more than 80% of the market. It’s easy to install and has a good anti-theft effect, and it’s widely used for border fencing, and also installed on the walls for factory fencing or residence fencing. If you have any questions about the parameters, please feel free to contact Wanzhi Steel.

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Wanzhi Steel is an ISO 9001-certified steel factory located in Hebei, China. It has been specializing in the production of  GI barbed wire, SS wire, GI Chain Link Fencing, concertina wire, 3d Panel Fence, and Galvanized razor wire for 14 years, with a monthly output of 1,800 tons. With high-quality products and good services, its products have been exported to more than 120 countries around the world.

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