Before selecting the right and ideal highway Crash Barriers, either it's W Beam or thrie beam guardrails, you should learn every detail about it, because the highway guardrail specifications vary with different countries. So the first thing we need to do is to study the details of the drawing of each guardrail project before buying the right products from qualified suppliers.
The good thing is that the general specification of the highway guardrail and crash barrier specification are very similar. For instance, there are only two types: w beam guardrail and tri-beam guardrail in terms of shape.
So what really matters now is the raw materials, shape, dimensions and surface finish of the guardrail spare parts.
Usually the raw materials of W-beam is Q235, Q345 and the equivalent steel. And the thickness ranges from 2.67-4mm or as required.
Galvanization thickness varies from 300-610g/m2 single sided. Or as required
Requirement for spare parts like spacer block and post is similar to the beam. In a word, follow the requirement on the project drawings is a must to ensure the quality of guardrails.
To ensure the above mentioned points, the right thing to do is to find the right guardrail manufacturer or supplier. And we are confident, we, Wuhan Dachu Traffic Facilities Co., Ltd is the right one to reply on.