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Corrugation 68mm x 13mm

Corrugation 76mm x 25mm

Corrugation 150mm x 50mm

Corrugation 300mm x 110mm

Corrugation 380mm x 140mm

Corrugation 200mm x 55mm

Corrugation 400mm x 150mm

Corrugation 75mm x 25mm

Corrugation 125mm x 25mm

Corrugation 68mm x 13mm

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The surface treatment of the corrugated metal culvert pipe

1. Copper alloy surface treatment process.

The copper alloy corrugated metal culvert pipe surface treatment process  include the oil removing, loosen oxide skin, acid pickling, and passivation.

2. Stainless steel surface treatment process.

The stainless steel corrugated steel culvert pipe surface treatment includes  the oil removing, loosen oxide skin and acid picking.

3.The plastic process of the corrugated metal culvert pipe.

We need to modify it because of the difference of the tube wave distance and  hte wave mode which are caused by the elastic recoil. As to the metal culvert  pipe made of the work hardening material, there are two ways to modify the  pipes. One way is by handwork, the other is by machinery.

4.The stabilizing treatment process of the corrugated metal culvert pipe.

During the process of the culvert pipe, the internal stress can make the  elastic and size unstable. The stability treatment process is aim to keep its  size and performance.

corrugated metal culvert pipe


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