Made of Q235 hot-rolled steel plate pressed into a W-beam shape, this guardrail has superior energy absorption and buffering performance. When vehicles collide, the waveform structure deforms to disperse impact force and guide vehicles back to normal lanes, preventing them from running off the road. Hot-dip galvanizing with a ≥85μm zinc layer delivers extreme corrosion resistance, avoiding rust in long-term outdoor rain, snow, and salt spray environments. Bolt-splicing design allows quick replacement of damaged components after accidents, cutting maintenance time and costs by 50% vs. traditional guardrails. It complies with JT/T 281-2007 highway standards and passes strict crash performance tests.
The W-beam is 310mm wide and 3.0mm thick, with a total height of 810mm. Posts are 140*4.5mm, spaced 4000mm in general highway sections and 2000mm in dangerous curves/steep slopes to enhance protection. The hot-dip galvanizing layer is ≥85μm thick, meeting GB/T 18226-2015 highway-grade corrosion standards. Each meter weighs 10.8kg for structural stability, using M16 high-strength bolts for firm beam-post connections. It withstands temperatures from -30°C to 60°C, adapting to national climate conditions, and has a Class A crash protection rating, fully meeting expressway and first-class highway safety requirements.
This guardrail is used in highway and rural road construction: expressway central reserve protection, highway side edge crash protection, mountain road curve/steep slope safety, rural road water/cliff section protection, and tunnel entrance/exit barriers. Target customers include highway engineering bureaus, transportation construction companies, local traffic management departments, and road maintenance units. Typical cases include central reserve guardrails on the Beijing-Tibet Expressway and side edge barriers on Sichuan’s mountain roads, which have reduced fatal accident rates and protected road user safety.
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