1.Material of steel plate: Q235 steel plate
2.Thickness of steel plate:1.5mm-8mm
3.Shape: Round, Half, Arch,Oval ect.
4 Assembly:Annular flanged/Nestable
5 .Depth of fill: 1.5-60m
6.Pipe Diameter: 300mm-9000mm
7.Corrugation: 68*13,150*50,200*55, 380*140,300*110 ,400*150
8.Antiseptic treatment: hot dip galvanized zinc Y610g/m2.
9.Service life more than 70 years.
10:.Standard: JTT 791-2010 ,or AASHTO M36.
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