I shape protection galvanized steel grating I shape protection galvanized steel gratingis made by carbon or mild steelof certain sizes through the processing of grooving, cutting, press-welding, andgalvalizing. Gratings can be actually made from copper, aluminum and other materials. However, galvanized steel grating is the widely used for its economical cost andexcellent propetries I shape protection galvanized steel grating is manufactured in numerous combinations of load bar depth and thickness, load bar pitch and cross rod pitch. The bar steelgrating commonly used by twisted steel, twisted steel specifications for 6mm, 8mm, 10mm and so on. The steel gratingcan be welded into different shapes according to drawings and specifications, in order to apply to different places such as open. I shape protection galvanized steel grating offers the following advantages compared with steel grid sheets: steel grating has light weight, good strength, large carrying capacity and can save materials and cost. I type steel gratingoffers good ventilation of light and wind, a modern sense, aesthetic appearance and anti-skid safety. It is also easy to clean, easy to installation and durable for uses. I shape protection galvanized steel grating is made by welding with flat steel and bars with certain distance .steel grating goes throgh cutting , oepngin , edging , and other processes.