1. Material of Culvert Pipes steel plate: Q235

2.Thickness of Culvert Pipes steel plate:1.5mm-8mm

3.Culvert Pipe Diameter: 400mm-9000mm

4.Corrugation: 68*13

5.Depth of fill: 1.5-60m

6.Anti-corrosion treatment: hot dip galvanized ≥84μm（610g/㎡）

7.The second anti-corrosion: usually asphalt(bitumen) coated or epoxy resin coated.

8.Using life:≥100 years.

9.Standard: JTT 791-2010 ,or AASHTO M36.