... the plot, not water, self-cleaning, easy to maintain3.Usage of Hot dipped galvanized steel grating : widely used in petroleum chemical industry, power ... standardYB/T4001, ANSI/NAAMM-MBG531, BS4592, AS1657, JS3101Grating Steel Material:Low Carbon Steel, Mild Steel, Grating Size:3'x20', 3'x24', 3'x30', 1000x1000, 1000x5800 ...