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Help CenterHot-Dip Galvanized W-Beam Municipal Guardrail, 3.0mm Thickness, AASHTO M180 Standard Compliant
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At Anping Xinye Metal Wire Mesh Products Co., Ltd, located in the heart of China’s hardware manufacturing hub – Hengshui, Hebei – we specialize in producing high-quality road safety infrastructure. Our Hot-Dip Galvanized W-Beam Municipal Guardrail with a robust 3.0mm thickness is engineered to meet the rigorous AASHTO M180 standard, ensuring reliable performance for municipal and highway applications. With years of experience in metal fabrication, we deliver guardrails that combine strength, durability, and corrosion resistance, making them a trusted choice for government projects and private contractors alike.
This guardrail system is designed to absorb impact energy and redirect vehicles safely, reducing the risk of severe accidents. The hot-dip galvanized coating provides exceptional protection against rust and harsh weather, extending the service life even in coastal or industrial environments. Our W-beam profile offers optimal structural rigidity while maintaining flexibility during collision, meeting the safety requirements of modern road networks.
Every guardrail section is manufactured under strict quality control, from raw material selection to final inspection. We ensure dimensional accuracy and consistent galvanizing thickness to comply with AASHTO M180 specifications. Below is a detailed breakdown of product features, technical specifications, and benefits to help you understand why our guardrail is the right choice for your project.
Key Features & Technical Specifications
- Material: High-strength steel (typically ≥ 345 MPa yield strength) conforming to ASTM A36 or equivalent.
- Thickness: 3.0mm nominal, with tolerance within ±0.2mm per AASHTO M180 requirements.
- W-Beam Profile: Classic W-shape (12.5cm width, 8cm depth) for effective energy absorption.
- Hot-Dip Galvanizing: Average zinc coating weight ≥ 550 g/m² (both sides), providing superior corrosion resistance.
- Standard Length: 4.32 meters (14 feet) – other lengths available upon request (e.g., 2.0m, 3.0m, 6.0m).
- Mounting: Compatible with standard guardrail posts (e.g., 100x100x4mm steel posts) and blockouts.
- Compliance: Fully meets AASHTO M180 (Standard Specification for Corrugated Sheet Steel Beams for Highway Guardrails) for strength, dimensional tolerances, and galvanizing quality.
- Applications: Municipal roads, expressways, bridges, parking lots, industrial zones, and construction sites.
Product Advantages & Customer Benefits
| Feature | Benefit |
|---|---|
| 3.0mm Thickness | Provides higher impact resistance and longer service life compared to thinner (2.5mm) alternatives. Reduces deformation during collisions, enhancing vehicle containment. |
| Hot-Dip Galvanized | Forms a metallurgical bond between zinc and steel, preventing rust even if scratched. Ideal for harsh climates, coastal areas, and regions with high snowfall/salt usage. Maintenance-free for decades. |
| AASHTO M180 Compliant | Guarantees that the product meets stringent U.S. highway safety standards. Ensures acceptance by most state DOTs and municipal engineering departments. Peace of mind for project approvals. |
| W-Beam Design | Optimized energy absorption through controlled deformation. Lower risk of vehicle penetration or rollover. Compatible with existing end treatments and terminals. |
| Customizable Lengths | Flexible to fit specific road geometry, reducing waste and installation time. Available in standard 4.32m or custom lengths per your request. |
Quality Assurance & Manufacturing Process
Our production process begins with premium steel coils sourced from reputable mills. The steel is cold-formed into W-beam profiles using precision rollers, then cut to exact lengths. Each beam undergoes a thorough cleaning (degreasing, pickling, and fluxing) before being immersed in molten zinc at temperatures above 450°C. This hot-dip galvanizing process creates a uniform, thick coating that adheres tightly to the steel. After galvanizing, we perform visual inspections, thickness measurements (using magnetic gauges), and dimensional checks to ensure compliance with AASHTO M180 and ISO 9001 quality management standards.
We also offer optional post-galvanizing treatments such as chromate passivation or clear coating for additional protection during transport and storage. All guardrails are bundled securely with steel strapping and shipped in containers or flat racks, with proper protection to prevent damage during transit.
Why Choose Anping Xinye?
Located in Hengshui, Hebei – a region known for its metal wire and mesh industry – we have been manufacturing road safety products for over 15 years. Our factory covers an area of 20,000 square meters, equipped with modern galvanizing lines and testing equipment. We have exported to more than 30 countries, including the United States, Canada, Australia, and Southeast Asia. Our team of engineers and technicians ensures that every shipment meets the highest standards of quality and consistency. We understand the importance of on-time delivery and offer competitive pricing without compromising on material or workmanship.
For your next highway or municipal project, trust our Hot-Dip Galvanized W-Beam Guardrail to deliver the safety and durability you need. We welcome inquiries for small trial orders as well as large-scale projects. Contact us today for a quote or sample – our sales team is ready to assist you with technical specifications, installation guidance, and logistics support.
Frequently Asked Questions (FAQ)
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Q: Is your guardrail compliant with AASHTO M180? Can you provide a certificate?
A: Yes, our guardrail is manufactured strictly according to AASHTO M180 standard. We can provide a mill test certificate or a third-party inspection report upon request, confirming the chemical composition, mechanical properties, and galvanizing weight. -
Q: What is the typical lead time for production?
A: For standard 4.32m lengths and a quantity of 2000 pieces, the lead time is approximately 15-20 working days after receiving deposit. Custom lengths or special orders may require additional time. We always confirm the schedule before order confirmation. -
Q: Do you offer samples for testing?
A: Yes, we offer free samples of a small cut piece (e.g., 30cm length) for quality evaluation. The buyer is responsible for shipping costs. We can also provide samples with full length at cost price. -
Q: Can you customize the length or add extra holes for mounting?
A: Absolutely. Custom lengths are available, and we can drill additional holes according to your design drawings. Please provide specifications or a sketch. Minimum order quantity may apply for custom dimensions. -
Q: What is the zinc coating thickness on your hot-dip galvanized guardrail?
A: Our standard coating thickness is approximately 85-100 microns per side, equivalent to an average coating weight of 550-600 g/m² (both sides). This exceeds the AASHTO M180 requirement of 550 g/m². We can test the coating thickness with a magnetic gauge in your presence. -
Q: How do you pack the guardrails for export?
A: Each guardrail is packed in bundles with steel straps. We use plastic caps on the ends to protect the galvanized surface. For sea freight, the bundles are placed in containers or on flat racks, and we can add water-resistant paper or shrink wrap for extra protection against moisture. -
Q: Is your guardrail suitable for all weather conditions, including snow and salt?
A: Yes, hot-dip galvanizing provides excellent corrosion resistance in snowy and salty environments. The zinc coating acts as a sacrificial anode, protecting the steel even in coastal or de-icing salt conditions. Many of our customers use them in northern states and mountain regions. -
Q: Do you provide installation accessories like bolts and posts?
A: We can supply compatible accessories such as bolts, nuts, washers, and steel posts (e.g., 100x100x4mm). Please inquire about your specific requirements. We also offer blockouts (spacers) and end terminals if needed.
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