Corrugated steel culvert pipe /  the corrugated steel culvert for United Nation project

 the corrugated steel culvert  for United Nation project
 the corrugated steel culvert  for United Nation project
 the corrugated steel culvert  for United Nation project
 the corrugated steel culvert  for United Nation project
 the corrugated steel culvert  for United Nation project

the corrugated steel culvert for United Nation project

Corrugated steel pipe are assmebled by half round corrugated steel plate by bolts and nut. Annular Riveted corrugated steel pipe is manufactured using 68mmx 13mm ,125mm x 25mm and 150mm*50m corrugations in wall thicknesses from 1.5mm to 4mm