Corrugation 150X50mm Corrugated Steel Culvert

The corrugation pitch is 150mm, and the corrugation depth is 50mm, in standard, the tolerance is ±3mm, then the corrugation pitch should be from 147mm to 153mm is OK, and the corrugation depth should be from 47mm to 53mm is OK.

Below is my product corrugation

For the 4mm thickness culvert, my corrugation is 147X47mm, as below

Its corrugation pitch is 147mm, in the range of 147mm to 153mm, corrugation depth is 47mm, also in the range of 47-53mm

For the 7mm thickness culvert, my corrugation is 152X51mm, as below

Its corrugation pitch is 152mm, in the range of 147mm to 153mm, corrugation depth is 51mm, also in the range of 47-53mm