Customization: | Available |
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After-sales Service: | Professional Problem Solving |
Certification: | ASTM, ISO9001, RoHS, CE |
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American AASHTO-M180 Technical Standard W-beam highway guardrail
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TYPE
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Overall Length
(mm)
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Effection Length
(mm)
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Norminal Uncoated Thickness
(mm)
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TYPE 1
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4130
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3810
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2.67
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TYPE 2
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4320
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4000
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2.67
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MECHANICAL PROPERTIES
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Material grade: S355JR
Yield Point, minimum, 345Mpa (50000psi);
Tensile Strength, minimum 483Mpa (70000psi); and
Elongation, in 50mm (2 in.),minimum, 12 percent.
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NOTES
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Thickness of Zinc coating: 550g or 1100g;
The beams may galvantzed before or after fabrication;
We can customize the length and thickness according to customer requirements.
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