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| American AASHTO-M180 Technical Standard W-beam Highway Guardrail | | | | |||
| TYPE | Overall Length (mm) | Effection Length (mm) | Norminal Uncoated Thickness (mm) | |||
| TYPE I | 4130 | 3810 | 2.67 | |||
| TYPE II | 4320 | 4000 | 2.67 | |||
| MECHANICAL PROPERTIES | ◆Material grade: S355JR ◆Yield Point, minimum, 345Mpa (50000psi); ◆Tensile Strength, minimum 483Mpa (70000psi); and ◆Elongation, in 50mm (2 in.),minimum, 12 percent. | | | |||
| NOTES | ●Thickness of Zinc coating: 550g/㎡ or1100g/㎡; ●The beams may galvantzed before or after fabrication; ●We can customize the length and thickness according to customer requirements. | | | |||




| Item | Data |
| Solar cell | (monocrystalline silicon) 2.5V/ 120mAh |
| Working time | 72 hours for 8 hours at a time; |
| Energy storage element | Rechargeable battery 1.2V/ 600mAh |
| Material | cast aluminum alloy shell + bulletproof PC |
| Working environment | -20℃ ~ 70℃; |
| Starting light intensity | positive light is less than 500Lux; |
| Display colors | red, yellow, white, blue and green |
| Visual distance | greater than 1000m |










