1.4128/4320*310*85*3mm 2.material:Q235Q345 3.Hot dipped galvanized 4.width/height/thickness310/85/6(mm) 5.manufacturer highway guard rail for protection Material: Q235 ,Q345 Protective Finish: Hot dipped galvanized, Zinc coating weight: 880—1220 g/m2 Standard: China, EU, USA, AS/NZS, etc.Certification: ISO9001:2008, CE for EUFeature: High Intensity, Durable, Great Corrosion Resistant and ...