Steel case board is to use steel according to certain spacing (twist wring and their connecting rodsones,the distant ones, such as steel, arranged, and cross) welding with square grid to center of a kind of steel products, steel case board is mainly used to do ditch cover and steel structure steel ladder platen, flat the step plate, etc. The general use of the ground after twisting ones. Steel case board general use of the carbon steel production, looks hot galvanized, can rise to prevent the oxidation of the role.Can also be made of stainless steel. Steel grating, daylighting is ventilated, heat dissipation, prevent slippery, explosion-proof, such as performance The characteristics of stainless steel grating 　　1, light weight, high strength, carrying capacity, provincial material economy, ventilation pervious to light, modern air, beautiful appearance. 　　2, prevent slippery safety, easy to clean, easy installation, durableOther varieties