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Our premium Atmospheric Corrosion Resistant Bridge Steel (including grades Q345qNHD/E, Q370qNHD/E, and Q420qNHD/E) is engineered for extreme durability in harsh environments. Specifically designed for infrastructure projects, this high-performance steel provides an exceptional balance of strength and resistance to weathering, significantly reducing the need for protective coatings and long-term maintenance in bridge construction.
Leveraging over 30 years of industrial expertise, our integrated production process ensures that every plate meets rigorous international standards. From shipbuilding and pressure vessels to high-rise buildings and automotive structures, our steel solutions are trusted globally for their reliability, structural integrity, and superior mechanical properties.
| Product Name | Wear Resistant / Bridge Steel Plate | Standard | GB (National Standard) |
|---|---|---|---|
| Thickness Range | 2mm, 3mm to 300mm | Width Options | 1500mm, 2000mm, 2200mm etc. |
| Length Options | 6m, 8m, 12m etc. | Hardness (NM360) | 330~390 HBW |
| Hardness (NM400+) | NM400: 370-430 | NM550: ≥530 HBW | Processing | Welding, Punching, Cutting, Bending |
| Material Type | Alloy Steel | Minimum Order | 5 Tons (MOQ) |
Engineered for superior wear and atmospheric corrosion resistance, extending the lifecycle of critical infrastructure.
Efficient logistics and large-scale production capacity ensure delivery within 7-45 days globally.
Strict adherence to ISO 9001, SGS, and EWC certifications for guaranteed structural safety.
Professional welding, bending, and cutting services to meet precise engineering blueprints.
Flexible ordering starting from 5 tons, accommodating both large projects and specialized needs.
Every batch undergoes rigorous quality inspection and testing before final packaging and loading.
Full-cycle control from coal washing and coking to rolling and scientific research.
10 million tons annual output of pig iron, steel, and rolled steel for stable supply.
Strict inspection protocols before packaging to ensure zero-defect shipments.
Multi-port shipping options tailored to client location and transport requirements.
Waterproof paper, iron packaging, and fumigation wooden pallets for ocean transit.
Online service from 8:00-22:00 to handle inquiries and technical specifications.
| Feature | Standard Steel | Our Weathering Steel |
|---|---|---|
| Corrosion Rate | High (Requires Paint) | Extremely Low (Self-Protective) |
| Maintenance Cost | Frequent Repainting | Minimal Long-term Costs |
| Lifespan | Moderate | Extended Service Life |
| Installation Speed | Slower (Coatings needed) | Faster (Direct Assembly) |
| Environmental Impact | Chemical Paint Runoff | Eco-friendly / Sustainable |
It is widely used in bridge construction, highway infrastructure, and structural components exposed to outdoor environments where traditional painting is impractical or costly.
Yes, we provide free samples to customers worldwide. However, the customer is responsible for the courier shipping costs.
Our products are certified under ISO 9001, SGS, and EWC, ensuring they meet global quality and safety standards for heavy industry.
We use a three-layer protection system: an inner waterproof paper layer, an outer iron packaging layer, and a fixed fumigation wooden pallet to prevent corrosion.
Absolutely. We provide professional processing services including welding, punching, cutting, and bending based on your specific grade and dimension requirements.
Generally, delivery is completed within 7-45 days. For extremely large volumes or special specifications, the timeline may vary slightly.
