Wave beam steel guardrail, also known as: W board fence, guardrail, high-speed fence, steel fence, guardrail fence waveform is divided into two, three wave-shaped beam guardrail. Purpose: industrial, agricultural, municipal, transportation and other sectors of the fence, decorative, security and other facilities. Product Features: Good corrosion resistance, anti-aging, nice. Installation is simple and quick. Guardrail Common Specifications: Dual Wave: 4320 * 310 * 85 * 3 or 4mm; three waves: 4320 * 506 * 85 * 4mm; Surface treatment: hot dip galvanized, cold galvanizing spray; double wave Column: 114 * 4.5 * height ; 140 * 4.5 height; three waves column: 130 * 130 * 6 * height; 140 * 4.5 * height; column spacing is generally divided into 2 m and 4 m reinforced common type; the way the board is connected to the column and there discourage block and bridge-type bracket two. Classification: General beam guardrail crash rating by setting the location and classified. Press to set the location can be divided into a roadside fence and the central median barrier. A crash can be divided by grade level and the S-Class. S-Class fence belongs enhanced for particularly dangerous sections of road side use, A grade for private roads.