Highway guardrail plate raw materials

Release time:

2016-10-17


Highway guardrail plate raw materials] Highway guardrail plate is generally used waveform beam guardrail plate, the metal material is made of carbon structural steel cold-formed, the index is not less than GB/T 700-2006 "carbon structural steel" in the Q235 steel requirements. The surface is generally hot dip galvanised or plastic coated to prevent rust.