HCMP steel sheet thickness and corrugation

Steel for helically corrugated metal pipesHCMP are made of 1.5 – 3.5 mm steel sheets with two corrugation types depending on the diameter / dimensions:

  • D1 – 68 х 13 mm
  • D3 – 125 х 26 mm

Read more about the steel grades we use to make HCMP (helically corrugated metal pipes) and other prefabricated structures and engineering facilities in “Steel” → section of our website.

Pipe corrugation types

Corrugated sheet shape and dimensions

Corrugated sheet shape and dimensions

Sheet thickness 68 x 13 [mm] corrugation
Cross-section area

А

Inertia moment

Ix

Strength factor

Wx

[mm] [mm2/mm] [mm4/mm] [mm3/mm]
1,5 1,62 31,5 4,4
2,0 2,16 40,9 5,6
2,5 2,70 52,0 6,8
2,7 2,92 56,2 7,3
3,0 3,24 64,0 8,0
3,5 3,78 74,7 9,3
Sheet thickness 125 x 26 [mm] corrugation
Cross-section area

А

Inertia moment

Ix

Strength factor

Wx

[mm] [mm2/mm] [mm4/mm] [mm3/mm]
1,5 1,66 142,8 10,4
2,0 2,21 190,9 13,7
2,5 2,77 239,9 16,7
2,7 2,99 259,1 18,1
3,0 3,32 289,0 19,7
3,5 3,88 337,2 23,0