Coastal salt spray, industrial acid and alkali, extreme temperature changes and humid weather greatly shorten the service life and undermine the safety performance of guardrails worldwide. Ordinary guardrails suffer from poor corrosion resistance and low adaptability, leading to rust, deformation and damage, as well as higher project investment and maintenance costs. With years of experience in domestic and foreign trade, our company develops high-performance anti-corrosion guardrails with reliable protection, exquisite workmanship and flexible customization.
Core Performance
Our products overcome the drawbacks of traditional designs and deliver excellent anti-corrosion, anti-collision, weather resistance and structural stability to meet diverse road protection needs globally.
- Outstanding acid and alkali resistance: The guardrails resist erosion from salt spray, chemical fumes and wastewater, maintaining stable performance in highly corrosive environments and solving common problems like rust and peeling paint.
- High impact resistance: Made of tough and compression-resistant materials compliant with domestic and international standards, the wave-shaped structure effectively absorbs impact to minimize accident risks.
- Superior weather resistance: They withstand intense heat, severe cold, heavy rain and sandstorms, and stay intact without fading, aging or cracking amid varied global climates.
- Cost-effective maintenance: The durable coating features strong adhesion and wear resistance, reducing inspection and replacement frequency and cutting long-term operational costs for projects at home and abroad.
Production Technology
We adopt a dual-layer protection system with hot-dip galvanized base and acid & alkali resistant composite coating. All products are manufactured with standardized mechanical procedures in line with Chinese national standards, EU EN standards and AASHTO standards, suitable for bulk domestic and export orders.
- Precision forming: Premium steel is processed by precision rolling and integral bending to ensure flat surfaces, standard radian and high structural strength.
- Hot-dip galvanizing: A dense zinc layer fully isolates air and moisture to prevent steel substrate from rusting.
- Electrostatic spraying: The top coating is cured at high temperature, featuring great hardness, chemical resistance and anti-aging performance. The dual-layer structure effectively extends product service life.
- Unified quality inspection: Every batch undergoes strict tests on salt spray resistance, corrosion resistance, impact resistance and coating thickness, with identical high standards for domestic and overseas goods.
Chemical Composition of Substrate
Made of standard high-quality carbon structural steel with well-balanced components and low impurities, the products meet inspection requirements for both domestic sales and export.
- Carbon (C): Proper carbon content balances hardness and toughness to avoid brittleness and deformation.
- Silicon (Si) & Manganese (Mn): They enhance overall strength, wear resistance and structural stability.
- Sulfur (S) & Phosphorus (P): Strict control over these harmful elements improves corrosion resistance and weldability, ensuring firm adhesion of protective coatings.
The optimized composition enables perfect combination between the steel and coatings, maximizing the anti-corrosion effect.
Standard Specifications & Customization
We provide customized solutions on plate thickness, beam type, coating and dimensions for highways, municipal roads, industrial zones and overseas cross-border projects.
- Common types: W-beam and Thrie-beam guardrails, widely used for road safety across the world.
- Plate thickness: Regular options include 2.5mm, 2.75mm, 3.0mm and 3.5mm. Custom thickened plates are available.
- Coating: The thickness of galvanized and sprayed layers is adjustable, and reinforced coatings are offered for severely corrosive areas.
- Dimensions: The standard length is 4320mm. Non-standard lengths and special curvatures can be customized for bends and special road sections.
Installation Advantages
The modular integrated design adapts to construction requirements worldwide, simplifying operation and improving efficiency.
- Wide compatibility: Standard hole spacing and interfaces fit commonly used posts, bolts and brackets from all countries without modification.
- Efficient construction: Integrally formed plates with precise holes require no secondary processing, greatly shortening construction time.
- Strong terrain adaptability: Applicable to straight roads, curves, ramps and roads with height differences. Custom accessories help tackle complex terrains easily.
- Easy maintenance: The long-lasting coating rarely needs repainting or rust removal. Damaged parts can be replaced separately to lower maintenance costs.
Strict Quality Control
All products are produced and inspected under the same rigorous standards for domestic and export markets, with fully traceable quality.
- Raw material inspection: Steel materials are sampled and tested for composition and strength.
- In-process monitoring: Coating thickness and adhesion are checked in real time to guarantee qualified workmanship.
- Environmental simulation tests: Salt spray, acid-base and temperature resistance tests are conducted to simulate extreme working conditions.
- Mechanical tests: Sampling tests on compression, impact and bending are carried out to ensure anti-collision performance.
- Final inspection: A full check on appearance, size and coating is implemented before delivery. Third-party inspection is accepted for global clients.
