... lattice with an iron and steel products, steel mesh monoblock Main use to do the ditch cover, ... ladders, fence, fence, etc. Specification of steel grid mesh seriesSeries distanceTraverse line distanceLoad flat specifications (wide×thick)20× ... Material StandardASTM A36, A1011, A569, Q235Grating ProductsSteel Grating, plain and serrated grating, trench grate, stair treadGrating Surface:Hot dip Galvanized ...