Galvanized Concertina Wire is typically used as a security measure to deter and prevent unauthorized access to restricted areas. Due to 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, not only has a source factory covering more than 2,000 square meters, but also has rich experience in exporting, and our products have been exported to dozens of countries, such as Peru, Nigeria, Pakistan, India, Philippines, Oman, Iran, Brazil, and Saudi Arabia. Besides, we have high quality products and good reputation. Welcome to Chat On WhatsApp 86 139 3845 9717 for a free quote, or  Send Email to info03@wanzhisteel.com. ( Welcome to Visit our factory online).

Item	Concertina wire
Material	Galvanized wire, PVC Coated GI Wire, SS wire
Wire Diameter	2.5- 4.00 mm(Customers can specify)
Coil Diameter	450-1050mm(Customers can specify)
Blades	0.5 mm × 22 mm(Customers can specify)
Roll length	15 meters each(Customers can specify)
Surface treatment	Galvanized, PVC coated
Package	Plastic inside and woven outside, or paper box
Samples	Available
Delivery	7-15Days

Why do they call it concertina wire?

“Concertina” originally refers to a hexagonal instrument similar to an organ, which is portable and foldable. The stacked structure of the concertina wire when unfolded echoes the shape of the organ bellows when unfolded. People borrowed the name “concertina” to name it, although the two are completely different in function and use.

What’s the difference between razor wire and concertina wire?

Razor wire is a general term for razor barbed wire, including many forms, straight, cross-welded, flat winding, single-turn spiral, and of course concertina wire. Therefore, concertina wire is a form of razor barbed wire, emphasizing the accordion structure, which can be quickly stretched and contracted, facilitating rapid deployment in border defense, military, prisons, etc.

What is concertina wire?

Concertina wire, also known as barbed tape or razor wire, is a type of barbed wire fencing that is characterized by its tightly coiled or zig-zagged shape. It consists of multiple strands of steel wire, usually with sharp barbs or razor-sharp edges, that are tightly wound together to form a dense and formidable barrier.

How sharp is concertina wire?

Concertina wire has very sharp blades welded to the core at regular intervals. It has a sharp edge and strong rigidity. The core wire is usually high-strength steel wire that can withstand large tension. It has small spaces between each coil, making the overall structure compact and difficult to penetrate, and can directly cut the skin of an intruder. If you use stainless steel concertina wire, it will be more difficult to rust and dull, and will remain shiny and sharp for a long time.

What is the advantage of concertina wire?

1. Strong protection capability

2. Easy to install and maintain

3. Wide range of applications

4. Economical and affordable

5. Durable, especially GIconcertina wire and PVC coated concertina wire.

How strong is concertina wire?

Concertina wire consists of a single smooth wire diameter of 2.5 mm ± 0.2 mm. Tensile strength of the wire is 60 ± 5 kg / mm2. Galvanized wire thickness not less than 120 g/m2. Provides wire blades of galvanized sheet installed on it well and with a thickness of 0.5 mm and spacing (4 cm ± 2 mm spacing axes).

What are the common types of Concertina wire?

1. Galvanized concertina wire: The surface is galvanized to improve its durability and anti-rust ability, extending the service life of the concertina wire.

2. PVC coated concertina wire: In addition to its aesthetics, the PVC-coated concertina wire has better heat resistance and durability than galvanized concertina wire.

3. Stainless steel concertina wire: This is the best performing concertina wire, suitable for all environments, has extremely high rust resistance, and can maintain its original appearance after long-term use.

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 size is a roll of concertina wire?

Concertina rolls. Wire diameter: 2.5- 4.00mm. Blades: 0.5 mm × 22 mm. Roll length: 15 meters each. In addition, this number is not fixed and can be adjusted according to needs. You can contact our customer service to make a request.

What is concertina wire made of?

Concertina wire consists of a high tensile strength core wire and a punched steel tape with barbs. The production process of combining the core with the steel tape is called roll forming. The core wire is made of galvanized wire or stainless steel wire.

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.

What is the difference between concertina wire and barb wire?

Barb wire is a barbed wire with twisted barbs at regular intervals and is often laid out in a straight line in areas that need protection. At the same time, concertina wire is a flat coil of two or more razor wires that expand or contract in an accordion shape. Therefore, it is sharper than barbed wire.

What is the unit weight of GI concertina wire?

Weight of the Concertina Coil ranges from 8 kgs up to 20 kgs depending on the Diameter of the Coil & Turns per Coil. The greater the Diameter, the more will be the Weight of the Concertina Coil. Weight also depends on the No of Turns per Coil. Concertina Coil Weight per Meter is between 1.20 kgs to 2.20 Kgs.

What is the spacing for concertina wire?

Concertina wire coils stretched to a maximum of 10 meters. Maximum space between the coil openings after stretching is not more than 18 cm. Core wire is galvanized high tensile wire with diameters of 2.5 mm (minimum). Razor blade with blade width of 22 mm and spacing of 13 mm.

What are the practical applications of GI concertina wire?

1. Protecting the borders of military bases, government facilities, and airports.

2. Marking and protecting international borders.

3. Prison and detention center isolation.

4. Corporate and industrial sites anti-theft.

5. Protecting power plants, water treatment facilities, and communications centers.

6. Quickly create barriers during emergencies or temporary events.

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.

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 communicate Wanzhi Steel. At the same time as, if you want to know the quotation, please feel free to CHAT WITH ME.

 

My WhatsApp: +86 13938459717（Click To Chat With Me）

My Email: info03@wanzhisteel.com (Click To Email Me )

 

 

 

Leave Us A Message