Standard-Based Production for Road Projects
The GB Standard Hot-Dip Galvanized Guardrail is manufactured through material selection, stamping, hot-dip galvanizing, and batch inspection according to the specified guardrail product and anti-corrosion requirements.
The complete product range can include two-wave beams, three-wave beams, posts, spacer blocks, brackets, terminal ends, bolts, and other fastening components. It is designed for road projects that require clear technical standards, inspection references, product parameters, and quality documents.
Compared with guardrails purchased only by common market dimensions, this product places greater attention on the consistency of the beam profile, dimensions, steel material, hole positions, connection parts, and zinc coating inspection. This supports project acceptance, document filing, and later replacement work.
Reference Dimensions and Applicable Standards
The reference size for a two-wave guardrail panel is 4320 × 310 × 85 mm. The reference size for a three-wave panel is 4320 × 506 × 85 mm. Common steel thicknesses include 2.5 mm, 3.0 mm, and 4.0 mm.
The final thickness and configuration should be selected according to the guardrail model, project drawing, and technical requirement. Two-wave and three-wave guardrails can be produced according to GB/T 31439.1-2025 and GB/T 31439.2-2025. Anti-corrosion treatment can be carried out according to GB/T 18226-2025.
Standardized production helps maintain consistent hole positions, overlapping methods, and connector specifications. It can reduce installation adjustments caused by mismatched panels, posts, bolts, or spacer blocks.
Batch Control and Quality Documentation
For the GB Standard Hot-Dip Galvanized Guardrail, Hongrong Traffic Facilities can control the process from raw material preparation and stamping dimensions to hot-dip galvanizing and finished-product release.
Before production, the technical team can review the project drawings and specification list. The review can cover beam type, steel thickness, hole spacing, post form, and anti-corrosion requirements. Customized items enter mass production after first-piece confirmation to support consistency within the same batch.
Production equipment is maintained regularly. Production and inspection information can be recorded by order. Depending on the project agreement, the factory can cooperate in providing material quality documents, dimensional inspection records, coating inspection results, product conformity documents, and packing lists.
Buyers may inspect the products during production or before shipment. A professional third party can also be appointed. Regular products receive visual checks for appearance, coating, and dimensions, while material and coating indicators can be sampled by batch. A 100% inspection before packing can be agreed in the contract for key projects or export orders.
Project Delivery and Purchasing Guidance
Standard products normally require about 3–5 days for production. Customized drawings, non-standard components, or private-label products generally require about 10–15 days. The final schedule depends on the order quantity and steel preparation.
Large projects can be delivered in separate batches. Production progress may be shared through photos or videos so that the buyer can arrange installation and acceptance work.
The product is suitable for highways, national roads, provincial roads, rural roads, median areas, bridge approaches, existing guardrail replacement, and road safety improvement projects.
When ordering, buyers should confirm not only the panel dimensions and thickness but also the post type, post spacing, terminal ends, transition sections, installation height, and foundation conditions. The performance of a complete system cannot be determined by one guardrail panel alone.
Product Specifications
|
Parameter |
Available Configuration |
|
Production Standards |
GB/T 31439.1-2025 and GB/T 31439.2-2025 |
|
Anti-Corrosion Reference |
GB/T 18226-2025 |
|
Two-Wave Panel Size |
4320 × 310 × 85 mm |
|
Three-Wave Panel Size |
4320 × 506 × 85 mm |
|
Common Steel Thickness |
2.5 mm, 3.0 mm, or 4.0 mm |
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