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
Highway metal guardrails are essential to the highway which can protect the vehicle and If you want to buy the galvanized steel guardrail, guard rail columns, etc., you can find Tianchuang, one of the steel guardrail manufacturers.
| 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 : | 600 g/m² |
| Minimum galvanized layer thickness : | 85μm |
| Coating uniformity: | 25% |
| Hot-dip galvanized polyester composite coating corrugated beam steel square column | |
| Product Name: | square column |
| Average galvanized coating adhesion: | 275g/m² |
| Average zinc layer thickness: | 39μm |
| Minimum polyester coating thickness: | 76μm |
| 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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Yongyang Street, East Jianshe Road, Yongnian Industrial Park, Handan City, Hebei Province, China 
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