Customization: | Available |
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After-sales Service: | Guide Site Installation |
Material: | HDPE |
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HDPE Pipe Induction
The inner wall of the HDPE pipe is smooth and does not change with the time of use. The friction resistance is small, which saves energy. The pressure loss is about 30% smaller than that of the steel pipe. A smaller diameter than the steel pipe can be selected. Good hygienic performance, no additives, no possibility of polluting drinking water, ISO standard graded polyethylene material is 0 (lower grade), mold-free material, compared with other commonly used plastic materials, polyethylene's mold resistance It is much higher and does not accumulate scale after long-term use.
The comprehensive performance of PE pipes can be used in the fields of application|Temperature resistance|Low temperature embrittlement temperature is very low, and it can be used in the range of -40ºC to 60ºC, and there will be no pipeline embrittlement during installation and construction in winter.
Item | Test Method | Unit | UHMWPE Pipe | HDPE Pipe | PA66 Pipe | PVC Pipe | Steel Pipe |
Viscosity-average Molecular Weight |
ISO1628-3 | 104g/mol | 500-1050 | <50 | - | - | - |
Approx Melting Temperature |
ISO11357.3 | ºC | 136 | 129 | 255 | 160 | 1410 |
Water Absorption | ISO62-1999 | % | <0.01 | <0.01 | 3.8 | 0.5 | - |
Coefficient of Linear Thermal Expansion |
ISO11359-2 | 10-4/ºC | 1.5 | 1.2 | 0.8 | 0.9 | 0.17 |
Density | ISO1183-1-2004 | g/cm3 | 0.935-0.945 | >0.940 | 1.13-1.15 | 1.4 | 7.8 |
(0.45MPa) Heat Deformation Temp at 0.45Mpa |
ISO75 | ºC | 85 | 71 | 182-224 | ≥54 | 1230 |
Tensile Strength | ISO527 | MPa | >39 | <25 | 61 | 40 | 550 |
Yield Strength | ISO527 | MPa | ≥22 | 20 | - | 19 | ≥245 |
Tensile Elongation | ISO527 | % | ≥250 | ≥350 | 60-300 | 60 | 20 |
Gap Beam Impact Strength |
ISO179 | KJ/m2 | No fracture | <27 | 5.9-10.8 | <10 | No fracture |
Rockwell Hardness | ISO2039-2 | R | 40 | 33 | 85-120 | 118 | 45(C) |
Friction Coefficient |
ISO8295 | - | 0.05-0.11 | 0.28 | 0.37 | 0.4-0.6 | 0.58 |
Mortar WearIndex | - | - | 1 | 10 | 5 | 10 | 7 |
Scaling | - | - | NoScaling | Slight | Slight | Slight | Heavy |
Corrosion Resistance |
- | - | Excellent | Common | Common | Common | Bad |
HDPE Pipe dimensions
National standard nominal wall thickness of HDPE pipe |
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GB/T13663.2.2018 | Standard Dimension | |||||||
SDR41 | SDR33 | SDR26 | SDR21 | SDR17 | SDR13.6 | SDR11 | SDR9 | |
PE 80 Nominal Working Pressure | ||||||||
0.32 | 0.4 | 0.5 | 0.6 | 0.8 | 1.0 | 1.25 | 1,6 | |
PE100 Nominal Working Pressure | ||||||||
0.4 | 0.5 | 0.6 | 0.8 | 1.0 | 1.25 | 1.6 | 2.0 | |
DN(mm) | Thickness(mm) | Thickness(mm) | Thickness(mm) | Thickness(mm) | Thickness(mm) | Thickness(mm) | Thickness(mm) | Thickness(mm) |
16 | 2.3 | |||||||
20 | 2.3 | 2.3 | ||||||
25 | 2.3 | 2.4 | 3.0 | 3.6 | ||||
32 | 2.4 | 3.0 | 3.7 | 4.5 | ||||
40 | 2.3 | 3.0 | 3.7 | 4.6 | 5.6 | |||
50 | 2.3 | 2.4 | 3.6 | 4.7 | 5.8 | 7.1 | ||
63 | 2.5 | 3.0 | 4.3 | 5.6 | 6.8 | 8.4 | ||
75 | 2.9 | 3.6 | 5.3 | 6.7 | 8.2 | 10.1 | ||
90 | 3.5 | 4.3 | 6.0 | 8.1 | 10.0 | 12.3 | ||
110 | 4.2 | 5.3 | 6.7 | 9.2 | 11.4 | 14.0 | ||
125 | 4.8 | 6.0 | 7.7 | 10.3 | 12.7 | 15.7 | ||
140 | 5.4 | 6.7 | 8.6 | 11.8 | 14.6 | 17.9 | ||
160 | 6.2 | 7.7 | 9.6 | 13.3 | 16.4 | 20.1 | ||
180 | 6.9 | 8.6 | 10.8 | 14.7 | 18.2 | 22.4 | ||
200 | 7.7 | 9.6 | 11.9 | 16.6 | 20.5 | 25.2 | ||
225 | 8.6 | 10.8 | 13.4 | 18.4 | 22.7 | 27.9 | ||
250 | 9.6 | 11.9 | 15.0 | 20.6 | 25.4 | 31.3 | ||
280 | 10.7 | 13.4 | 16.9 | 23.2 | 28.6 | 35.2 | ||
315 | 7.7 | 9.7 | 12.1 | 15.0 | 19.1 | 26.1 | 32.2 | 39.7 |
355 | 8.7 | 10.9 | 13.6 | 16.9 | 21.5 | 29.4 | 36.3 | 44.7 |
400 | 9.8 | 12.3 | 15.3 | 19.1 | 23.9 | 33.1 | 40.9 | 50.3 |
450 | 11.0 | 13.8 | 17.2 | 21.5 | 26.7 | 36.8 | 45.4 | 55.8 |
500 | 12.3 | 15.3 | 19.1 | 23.9 | 29.7 | 41.2 | 50.8 | 62.5 |
560 | 13.7 | 17.2 | 21.4 | 26.7 | 37.4 | 46.3 | 57.2 | 70.3 |
630 | 15.4 | 19.3 | 24.1 | 30.0 | 42.1 | 52.2 | 64.5 | 79.3 |
710 | 17.4 | 21.8 | 27.2 | 33.9 | 47.4 | 58.8 | 72.6 | 89.3 |
800 | 19.6 | 24.5 | 30.6 | 38.1 | 53.3 | 66.2 | 81.7 | |
900 | 22.0 | 27.6 | 34.4 | 42.9 | 59.3 | 72.5 | 90.2 | |
1000 | 24.5 | 30.6 | 38.2 | 47.7 | 67.9 | 88.2 | ||
1200 | 29.4 | 36.7 | 45.9 | 57.2 | 82.4 | 102.9 | ||
1400 | 34.3 | 42.9 | 53.5 | 66.7 | 94.1 | 117.6 | ||
1600 | 39.2 | 49.0 | 61.2 | 76.2 | 105.9 | |||
1800 | 43.8 | 54.5 | 69.1 | 85.7 | 117.6 | |||
2000 | 48.8 | 60.6 | 76.9 | 95.2 | ||||
2250 | 55.0 | 70.0 | 86.0 | 107.2 | ||||
2500 | 61.2 | 77.7 | 95.6 | 119.1 |
Benefits of HDPE pipe for sand/slurry dredging:
No. | Item | Requirements | |
1 | Elongation at break% | ≥350 | |
2 | Longitudinal reversion(100ºC), % | ≤3 | |
3 | Oxidation induction time(200ºC)min | ≥20 | |
4 | Weather resistance after the pipe has accepted the aging energy which equal to or more than 3.5GJ/m2≤ | 80ºC static hydraulic strength(165h) | Non breakage and leakage |
Percentage of breaking-elongation,% | ≥350 | ||
Oxidation induction time(200ºC)min | ≥10 |
Installation of 11.8m length flanged high wear resistant HDPE pipeline applied for sand/slurry/mine discharging
Cases of 11.8m length flanged high wear resistant UHMWPE pipeline applied for sand/slurry/mine discharging