... Corrugated Steel Pipe/Corrugated Steel Culvert 2.Pipe for Road culvert,mining,civil use 3.SS400 Q23 4.Galvaniz Construction Corrugated Steel Pipe/Corrugated Steel ... displacement. The application fields of Construction Corrugated Steel Pipe/Corrugated Steel Culvert1.Highway and railway: culvert, passage ... minerals transporting pipeline, workers and mining machine passage, aven/shaft5. Civil use: ...