... lighting, cooling, anti-skid, explosion and other properties1.Material of steel bar grating: Mild Steel or Stainless Steel ... /T4001, ANSI/NAAMM-MBG531, BS4592, AS1657, JS3101Grating Steel Material:Low Carbon Steel, Mild Steel, Grating Size:3'x20', ... 3'x24', 3'x30', 1000x1000, 1000x5800, 1000x6000mmGrating Material StandardASTM A36, A1011, A569, Q235Grating ProductsSteel Grating, plain and ...