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Galvanized Anti-Penetration Anti-Climbing Guardrail 358 Corrosion-Resistant Safety Guardrail

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358 Anti-Climb Fence Core Parameters and Protection Principle

Naming Logic: 3-inch (76mm) horizontal reinforcement spacing + 0.5-inch (12mm) vertical reinforcement spacing + No. 8 steel wire (4mm diameter) form a high-density, intrusion-resistant mesh.

Anti-Climb Mechanism:
The fine mesh (76mm x 12mm) restricts finger grip, while the 3-5mm thick shear-resistant steel wire blocks climbing and cutting.
The top can be optionally equipped with a Y-shaped anti-climbing frame or accordion barbed wire for three-dimensional protection.
The material is cold-drawn Q235 low-carbon steel wire (tensile strength ≥ 500MPa), triple-coated with galvanizing, plastic dipping, and spray coating for corrosion protection. It has been proven rust-free after over 1000 hours of salt spray testing. The PVDF coating has a lifespan of 25 years in coastal environments.

Core Advantages: Through mesh density, steel wire strength, anti-corrosion coating, and top attachments, it provides dual physical and technical protection, suitable for high-security scenarios.
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As a benchmark product for high-security scenarios, the 358 anti-climb fence's technical specifications and performance advantages are fully demonstrated through the following structured analysis:

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Core Parameters and Protection Principle


Naming Logic: 3-inch (76mm) horizontal reinforcement spacing + 0.5-inch (12mm) vertical reinforcement spacing + No. 8 steel wire (4mm diameter) form a high-density grid structure, directly blocking climbing, cutting, and other intrusions.


Anti-climb Mechanism:


The fine mesh (76mm x 12mm) limits finger gripping space, and combined with 3-5mm thick shear-resistant steel wire, it forms a physical barrier.


A Y-shaped anti-climbing frame or accordion-type barbed wire can be installed on the top to create a three-dimensional protection system.


Cold-drawn Q235 low-carbon steel wire (tensile strength ≥500MPa) undergoes a triple anti-corrosion treatment of galvanizing, plastic dipping, and spray coating. It has been tested for over 1000 hours in salt spray testing without red rust. The PVDF fluorocarbon coating has a lifespan of 25 years in coastal high salt spray environments. Structural Performance and Customization Capabilities


Stability Design:


The frame is reinforced with rectangular steel tubes and embedded anchor bolts, capable of withstanding wind loads of magnitude 8 and impacts in earthquake zones of magnitude 8.


The modular installation system (bolting and welding) allows for rapid assembly of individual panels, enabling a daily installation of 200 meters. It is compatible with concrete foundations or quick-install brackets.


Size and Appearance Customization:


Heights range from 1.5 to 4 meters (the super-high-rise 4-meter version is designed for airport and border isolation). Standard panel widths are 2 to 3 meters, with custom sizes supported.


The color palette includes standard colors such as dark green, grayish white, police blue, and desert yellow, with customizable camouflage or corporate colors available to balance concealment and identification requirements.



 Application Scenarios and Cost-Effectiveness



Suitable for high-risk scenarios:


Military fortresses (ammunition depots, command centers), judicial systems (prisons/detention centers), energy facilities (power plants/oil depots), transportation hubs (airport/station isolation zones), and high-end properties (villa complexes/industrial parks).


Compared to peach-shaped fences, 358 fences offer superior climb resistance, but are more expensive. Specifications should be selected based on the risk level (e.g., 4-meter height with 5mm steel wire and double coating is recommended for high-risk scenarios, while 2-3-meter height with 3-4mm steel wire and single coating is recommended for low-risk scenarios).



Maintenance and Lifespan:


Daily maintenance requires only water rinsing, and coating damage can be partially repaired, extending the overall lifespan.


Combined with an electronic fence alarm system, it provides dual protection, both physical and technical.

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Technical Parameters in Depth



Material Processing: Cold-drawn low-carbon steel wire balances strength and ductility. Laser cutting ensures grid precision (76mm x 12mm), minimal error, and excellent flatness. Coating system: A combined process of galvanizing, plastic dipping, and spraying, with optional PVDF fluorocarbon coating, adapts to the corrosion requirements of various environments.



Global Case Verification


Proven in over 3,000 major projects worldwide, from Alaska's arctic bases to Middle Eastern desert prisons, from Nordic data centers to Southeast Asian port facilities, our products are proven to deliver an impeccable security perimeter with rigorous engineering standards.



In summary: Choosing 358 anti-climb fencing means choosing a proven protection solution proven in high-security scenarios worldwide. With comprehensive customization options for size, color, and installation methods, it precisely meets the needs of diverse scenarios, including military, judicial, energy, transportation, and high-end real estate, ensuring professional-grade security. For further customized protection plans, we can optimize the specifications, configuration, and installation plan based on specific scenario risk assessments.

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FAQS: 

Q1: What is the meaning of the name?

Horizontal spacing of 3 inches (76mm), vertical spacing of 0.5 inches (12mm), and No. 8 steel wire (4mm) form a high-density anti climbing grid.

 

Q2: Anti climbing principle?

The fine mesh prevents grasping, the thick steel wire is resistant to cutting, and the top can be equipped with anti climbing/blade piercing ropes, providing triple protection against intrusion.

 

Q3: Applicable scenarios?

High security places such as military bases, prisons, and nuclear power plants; More resistant to climbing than peach shaped fences, but at a higher cost.

 

Q4: How long can it be used?

Galvanized+dip coated, salt spray test for over 1000 hours without rusting; PVDF coating for coastal environments, with a lifespan of 25 years.

 

Q5: Size and installation?

Customizable height of 1.5-4 meters, standard board width of 2-3 meters; Modular installation, daily installation of 200 meters, recommended bolt+welding fixation.

 

Q6: Color selection?

Standard colors such as dark green, gray white, etc. can be customized with camouflage or corporate colors; Use dark colors for concealed scenes and bright colors for identification scenes.

 

Q7: Maintenance costs?

Rinse with clean water, inspect the coating every six months, repair any damages, and have low long-term costs.

 

Q8: How to choose specifications?

Select a high-risk scenario with a height of 4 meters, 5mm thick wire, and double coating; Low risk selection of 2-3 meters+3-4mm wire+single coating requires professional evaluation.


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Anping Junhe Metal Products Co., Ltd. is a leading manufacturer, processor, and supplier of metal products, specializing in the production and distribution of various metal grating solutions. With years of experience in the industry, we have established a strong reputation for delivering high-quality products that meet the diverse needs of our global clientele.
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