1. Executive standard: GB / T31439.1-2015 GB / T31439.2-2015 GB / T18226-2015
2. Scope of application: two-wave and three-wave steel guardrails for highways, urban roads and other places
3. Material of material: Q235
Main technical indicators:
| Name: Column |
| Category: Steel Pipe, Square Pipe |
| D (outer diameter): 114 ± 1.14 140 ± 1.4 |
| Square tube D (outer diameter): 130 ± 1.0 |
| Wall thickness: 4.5 + unlimited-0.25; 6 + unlimited -0.3 |
| Hole pitch: 100 ± 2 150 ± 2 |
| Length: 10 |
| Hot-dip galvanized corrugated beam column |
| Product Name: square column |
| Average galvanized coating adhesion g / m²: 600 |
| Minimum galvanized layer thickness μm: 85 |
| Coating uniformity%: 25 |
| Hot-dip galvanized polyester composite coating corrugated beam steel square column |
| Product Name: square column |
| Average galvanized coating adhesion g / m²: 275 |
| Average zinc layer thickness μm: 39 |
| Minimum polyester coating thickness μm: 76 |
| 5. Product specifications |
| Corrugated beam steel fence square column |
| 114 column φ114 * 4.5 single coating φ114 * 4.5 composite coating |
| 140 column φ140 * 4.5 single coating φ140 * 4.5 composite coating |
| 130 column F130 * 6.0 single coating F130 * 6.0 composite coating |
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