In China, the connection method between posts and guardrail beams include two types: hex spacer block type and bracket type. The standard configuration is to use 4320*310*85*4mm guardrail panels combined with 196*178*200*4.5 hex spacer block on highway, and the crash protection level is A grade.
Specification:
| Normal Size | Hex Spacer Block-W: 196*178*200*4.5/4.0/3.0mm
Hex Spacer Block-Thrie: 196*178*400*4.5mm |
| Material | Steel Grade Q235B(equivalent to S235JR/ASTM A283M Gr.D) |
| Surface treatment | Hot dip galvanized or powder coated |
| Zinc coating | 550g/m2 or as per your request |
| Application | Connected Guardrail Beam and Round Post |
