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|Zinc Coating:||30-85μm(210-600g)||PVC Coating:||16μm|
Zinc 550g Highway Guardrail Thire Beam / W Beam / Transation Beam
According to the US Federal Highway Administration, "The terms guardrail and guiderail are synonymous, and are used in different regions around the country."Guide rail and guard rail are intended to steer and "guide" vehicles back onto the road. Since guard rails are designed to keep vehicles safe, and were not designed to guard vehicles from going off the roadway, one could argue that the most technically correct name when referring to road-side rails is guide rail. The purpose of guide rail is to protect vehicle occupants from roadside hazards, like drop-offs or fixed objects.
Four types and two classes of guardrail are provided follows:
|Type I—Zinc coated, 550g/m2 minimum single-spot.
Type II－Zinc coated, 1100g/m2 minimum single-spot.
Type Ⅲ－Beam to be painted.
Type Ⅳ－Beam of corrosion resistant steel.
|Class A: Base metal nominal thickness—2.67 mm.
Class B: Base metal nominal thickness—3.43 mm.
The mechanical properties of the base metal shall conform the following requirements:
Type I and Type II beams:
The beams may be galvanized before after fabrication.
The mass of coating shall conform to the requirements in the following table for the types specified. The mass of coating is the total amount of galvanizing on both sides of a sheet or beam, expressed as g/m2 (& oz/ft2) of sheet.
|Model||Min Check Limit Single-Spot Test||Min Check Limit Triple-Spot Test|
Orders for guardrail under this specification shall include the following information, as required, to adequately described material:
According to the surface treatment, we can classify our thrie beam guardrails into two types: hot dip galvanized and PVC coating as shown in the following pictures.
Galvanized Thrie Beam Galvanized W Beam
when it comes to shapes and sizes of thrie beam guardrail, it must be manufactured in accordance with the specific applications. To satisfy the need of highway barrier market, our products includes the straight thrie and curved thrie beam guardrails in various sizes as your requirements. Furthermore, the connecting part that secures a smooth transition from W-beam to thrie beam guardrail is also available as follow:
Package: Packing in Bundle