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corrugated steel pipe also named corrugated metal pipe. it is widely use for most field.
Just like road culvert, bridge, irrigation, drain etc. We are the biggest manufacture in China, we can supply all kinds of wave shape.
We are manufacture not trade company, so we can control the best quality with cheap price.
Yitong manufactures and stocks a full line of corrugated steel pipe in a variety of materials, linings and coatings to meet specific durability and hydraulic requirements. Corrugated Steel Pipe (CSP) is available in round sizes from 6" to 144" and in 120" equivalent pipe arches. CSP has unmatched manufacturing capabilities to meet demanding field requirements, especially in larger diameters.
Specify us to produce what you need or, depending on your application scenario, we recommend the right corrugated steel pipe for you: size, shape, corrugation and metal thickness.
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.
| Flexible structure | Plate thickness | Kinds of standard corrosion protection | Required average min value(um） |
| plates | ≧6mm | Hot zinc galvanizing | 85 |
| ≧3mm do < 6mm | Hot zinc galvanizing | 70 | |
| ≧1.5mm do < 3mm | Hot zinc galvanizing | 55 | |
| Bolts and nuts | - | Hot zinc galvanizing | 45 |
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