... explosion and other properties1.Material of steel bar grating: Mild Steel or Stainless Steel Weaving: plain weave, twill weave, ... trench trestle bridge cover, covers, ladders, fence, fence, etc. Specification of steel grid mesh seriesSeries distanceTraverse line distanceLoad ... ANSI/NAAMM-MBG531, BS4592, AS1657, JS3101Grating Steel Material:Low Carbon Steel, Mild Steel, Grating Size:3'x20', 3'x24', ...