Product Name: Bridge Steel Plate
Introduction
Bridge Steel Plates are heavy‑duty structural plates engineered specifically for use in bridge construction and maintenance. Manufactured from high‑strength carbon or low‑alloy steels with exacting flatness and toughness requirements, these plates form critical components such as deck panels, stringers, diaphragms, and bearing seat plates. Designed to withstand cyclic loads, harsh weather, and fatigue stresses, Bridge Steel Plates ensure long‑term safety and performance in highway, railway, and pedestrian bridges.
Key Specifications
| Specification | Details |
|---|---|
| Typical Grades | ASTM A709 Grade 50W/50WT, A514 Gr. B, EN 10025 S355J2G3 |
| Plate Thickness Range | 10 – 50 mm |
| Width Range | 1,500 – 4,000 mm |
| Length Range | 3,000 – 12,000 mm |
| Yield Strength | ≥ 345 MPa |
| Tensile Strength | 450–620 MPa |
| Charpy Impact (–20 °C) | ≥ 27 J |
| Flatness Tolerance | ≤ 3 mm/m |
| Surface Condition | Shot‑blasted or mill scale with corrosion‑inhibiting oil |
Custom grades, thicknesses, and dimensions available to suit specific bridge designs.
Features & Advantages
High Fatigue Resistance: Superior toughness minimizes crack initiation under repeated traffic loads.
Enhanced Weathering: Weatherresistant alloy options (e.g., Corten) reduce corrosion maintenance in outdoor environments.
Precision Flatness: Tight flatness tolerances ensure uniform bearing contact and ease of welding or bolting.
Excellent Weldability: Controlled chemistry and low residual stresses support stable, defect‑free welds.
Consistent Quality: 100 % ultrasonic and mechanical testing guarantee performance to bridge code requirements.
Applications
Bridge Decking: Wear‑resistant top plates for asphalt or concrete overlays.
Main Girders & Stringers: Longitudinal load‑bearing elements.
Cross Frames & Diaphragms: Transverse stiffeners that distribute loads and maintain geometry.
Bearing Seat Plates: Interfaces between superstructure and bearings.
Repair & Rehabilitation: Patch plates for deck or girder repairs on existing bridges.
Packaging & Delivery
Packaging:
Plates stacked with timber or polymer spacers; edges protected with steel angles.
Shot‑blast cleaned or oiled as specified; banded and shrink‑wrapped for corrosion protection.
Bundles loaded on heavy‑duty skids or pallets for safe transport.
Lead Time: Typical production and shipment within 25–35 days after order; expedited schedules available for critical infrastructure projects.
Why Choose Our Bridge Plates?
Bridge‑Grade Expertise: Decades of supplying plates that meet AASHTO, EN, and JIS bridge standards.
State‑of‑the‑Art Mills: Heavy‑plate rolling lines with precision leveling and thermal straightening for large dimensions.
Rigorous QA/QC: Comprehensive chemical, mechanical, and nondestructive testing to ensure fatigue and impact performance.
Tailored Services: CNC profiling, drilling, beveling, and match‑marking to customer drawings and erection sequences.
Technical Support: Structural and metallurgical engineers available for material selection, weld procedure development, and fatigue life assessments within 12 hours.
Contact Us
For reliable, code‑compliant Bridge Steel Plates tailored to your project specifications, please contact our sales department. We're committed to delivering durable, high‑performance plates and expert support for your next bridge building or rehabilitation project.
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