Decho is a professional supplier on 30×70 elliptical steel pipe and supply.
Elliptical steel pipes are reliable, environmentally friendly, environmentally friendly, and available for economic development. The thick-walled pipeline and the development and design of its new reliable, simple and convenient connection method have been successful, giving it a large number of other pipe fittings irreplaceable advantages
| Pre-Galvanized Steel Pipe | ||||||||
| Pipe Type | welded steel pipe | |||||||
| Zinc Thickness | 30g-200g | |||||||
| Pipe Material | ASTMA53/ASTMA106/API 5L GR.B , Q235B,Q355B,20# | |||||||
| Pipe Length | 12m max | |||||||
| Pipe End | Plain End, Bevel End, Groove End , NPT thread and coulpings | |||||||
| Surface treatment | Pickling and passivation treatment ,free of oil , rust , | |||||||
| Pipe Sizes | DN10 to DN1200 | |||||||
| Wall thickness | sch40, sch60, std,sch80, sch100,sch160 | |||||||
| Package | Bundle package with water proof plastic bags | |||||||
| Shipment | in 20FT, 40FT container or break bulk vessels | |||||||
| Production Capacity | 10000 tons per month . | |||||||
| Material | Chemical Composition % | ||||||||
| C | Mn | P | S | Cu | Ni | Cr | Mo | V | |
| Gr.A | ≦0.25 | ≦0.95 | ≦0.05 | ≦0.045 | ≦0.40 | ≦0.40 | ≦0.40 | ≦0.15 | ≦0.08 |
| Gr.B | ≦0.30 | ≦1.20 | ≦0.05 | ≦0.045 | ≦0.40 | ≦0.40 | ≦0.40 | ≦0.15 | ≦0.08 |
| Remark: Cu+Ni+Cr+Mo+V ≦1.00% | |||||||||
| Material | Mechanical Properties | |||
| Yield Strength | Tensile Strength | |||
| Gr.A | ≧205 MPA | ≧330 MPA | ||
| Gr.B | ≧240 MPA | ≧415 MPA | ||
D>60.3 mm pipe shall be done flatten test .
Steel Pipe will be doing NDE test and hydro-static test for each pipe in 100% frequency .
For each purchase order, we guarantee the min zinc thickness regulated in the Contract . and do the measurement before shipment . Zinc Surface shall be smooth and free of rust , oil ect . Marking shall be clear. Bundle Package shall be resistant .
Decho is professional with deep procession on steel material. For galvanized seamless steel pipe, we can process with threading and coupling end, weld with flanges, weld with plate as per clients design , and we can also bend the pipe .
Except for galvanized pipes, Decho can also provide you steel bars, steel plates, steel coils, welded pipes, as well as other pipe fittings. If you have any request for your project ,pls do not hesitate to contact us by email : [email protected]
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