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ISO4427 standard HDPE pipe for country construction ,water supplying and dredger discharging
Main Features
1.Specific Gravity, g/cm3, 20(C): 0.941-0.965
2. Longitudinal Reversion, % (110(C)): <=3
3. Oxidation Induction Time, min (200(C)): >=20
4. Extension Rate at Break. %: >=350
5. Hydraulic Pressure Test:
6. 20(C), Hoop Stress is 12.4 Mpa, 100h: No Failure.
7. 80(C), Hoop Stress is 5.5Mpa, 165h: No Failure.
8. 80(C), Hoop Stress is 5.0Mpa, 1000h: No Failure.
| No | Model | Inner diameter(mm) | outer diameter(mm) | wall thickness(mm) | Pressure(MPA) |
| 1 | 4inch | 100 | 110 | 5 | 0.8 |
| 2 | 6inch | 144 | 160 | 8 | 0.8 |
| 3 | 8inch | 200 | 250 | 10 | 0.8 |
| 4 | 10inch | 255 | 280 | 10 | 0.8 |
| 5 | 12inch | 300 | 330 | 12 | 0.8 |
| 6 | 14.5inch | 365 | 400 | 17 | 0.8 |
| 7 | 16inch | 410 | 450 | 17 | 0.8 |
| 8 | 16inch | 405 | 450 | 20 | 1 |
| 9 | 18inch | 450 | 500 | 22 | 1 |
| 10 | 20inch | 505 | 560 | 23 | 1 |
| 11 | 22inch | 550 | 600 | 25 | 1 |
| 12 | 24inch | 600 | 660 | 28 | 1 |
| 13 | 26inch | 650 | 710 | 30 | 1 |
| 14 | 28inch | 700 | 780 | 33 | 1 |
| 15 | 30inch | 750 | 820 | 36 | 1 |
| 16 | 34inch | 850 | 920 | 34 | 0.8 |
| 17 | 36inch | 900 | 1000 | 45 | 1 |
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