Grating grid sheet is called several other steel grating, steel grating, steel grating and other names, I VAI steel mill production grid grating is used in accordance with a certain distance and flat steel cross lever staggered, and welded into the middle of an iron and steel products with a square lattice, mainly used for drain cover, trench cover, car wash drainage ditch cover, maintenance platform, unloading platforms, ladders and other treads . Rail commonly used twisted square steel. Twist angle square steel most commonly used is 6, 8, 10 installation requirements 1. Prepare:??? Goods transported to the site, it should be classified according to the manufacturer prior good grating unloading, make sure that the product corresponding to the type of which platform , pre-installation check; steel grating subregional place; temporary fixation; deviation measurement; error correction; finally fixed. 2. Operation: layout design in accordance with the requirements of accuracy; the number of subregional steel grating according to layout design in place, while the sub-regional installation, the installation is completed next area of ??a region, each area should be in the middle carried out to the sides; strictly control the spacing between the steel grating, steel grating and other structures in accordance with regulatory requirements for the installation; steel grating in place after first temporarily fixed with mounting clip made by the deviation measurement and correction before making a final fixed; 3. grating arrangement direction shown encountered when H-type steel column steel grid plate opening, opening with steel as 100mm (high) × 6mm skirting board. 4. Grating installation if no movement, it can be welded or steel beams on the upper bracket, after removing welding slag and spatter, hand-painted two zinc-rich paint. Anping VAI steel grid MILL for your custom processing various types of grid plates, I produced products in strict accordance with industry standards offer, production, all models of the product dimension needs to provide accurate data, we will combine you The actual situation for you free advice