Hel-Cor Galvanized Corrugated Steel Pipe culvert

Hel-Cor Galvanized corrugated steel pipe culvert widely used in storm sewers, culvert, agricultural irrigation, Municipal engineering - Civic buried water (rain or sewage) drainage;

Diameter: 300mm - 3600mm

Wall thickness: 1.5mm - 4.2mm

Hel-Cor Galvanized Corrugated Steel Pipe culvert

Hel-Cor Galvanized corrugated steel pipe culvert widely used in storm sewers, culvert, agricultural irrigation, Municipal engineering - Civic buried water (rain or sewage) drainage;

Diameter: 300mm - 3600mm

Wall thickness: 1.5mm - 4.2mm

Anti-corrosion treatment: preservcotive (usually by coating asphalt or  polymer coating)

We can provide comprehensive design and construction projects according to customer needs and site conditions.

Spiral Pipe Corrugated culvert have corrugation 68mm x 13mm, Corrugation 75mm x 25mm, Corrugation 125mm x 25mm


Depth of cover

The minimum allowable depth of cover is the largest of:

For roads H=B/8+0.2(m) H=B/6(m) and not less than 0.6(m)

For railways H=B/4 and not less than 0.6(m)

There is a possibility to reduce depth of cover provided that suitable checking calculations will be made.


Durability

Flexible structurePlate thicknessKinds of standard corrosion protectionRequired average min value(um)
plates≧6mmHot zinc galvanizing85
≧3mm do < 6mmHot zinc galvanizing70
≧1.5mm do < 3mmHot zinc galvanizing55
Bolts and nuts-Hot zinc galvanizing45



  • Highway ConstructionHighway Construction
  • Mine ProjectionMine Projection
  • Municipal EngineeringMunicipal Engineering
  • Irrigation EngineeringIrrigation Engineering
  • Railway Construction ProjectionRailway Construction Projection
  • Other ApplicationOther Application

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