... 3.SS400 Q23 4.Galvanized and powder coated Flanged Crrugated Steel Pipe/Plate CMP is one kind of flexible, thin-wall, tube ... direction, and combination displacement. The application fields of Assembly Corrugated Steel Culvert1.Highway and railway: culvert, passage, bridge, tunneling overhaul, ... dipped galvanized≥63μm; Reantiseptic (genearlly coated asphalt) Flanged Crrugated Steel Pipe/Plate