Railway Synthetic Sleeper
A Railway Synthetic Sleeper is a type of railway sleeper made from synthetic materials, such as polymer composites or recycled plastics. These sleepers are highly durable, resistant to environmental factors like moisture, chemicals, and wear, and offer a longer lifespan compared to traditional wood or concrete sleepers. We GNEE rail specialize in the production of high-quality rail fasteners, including rail clips, tie plates, sleepers (concrete, composite, and wooden), rail spikes, and complete fastening systems. Our composite sleepers-crafted from HDPE, UHMWPE, FFU synthetic, and polyethylene-are designed to meet international standards and can be tailored to your needs. Reach out anytime!
Railway Synthetic Sleeper material specification
|
Item |
JIS E1203:2007 Strength |
(CJ/T399-2012) |
|
|
Material Strength |
Bending Strength |
min. 70 N/mm2 |
min. 80 N/mm2 |
|
Young 's modulus in flexure |
min. 6000 N/mm2 |
min. 7000 N/mm2 |
|
|
Withstand bending load |
min. 170 kN |
min. 170 kN |
|
|
Longitudinal compressive strength |
min. 40 N/mm2 |
min. 50 N/mm2 |
|
|
Shearing strength |
min. 7 N/mm2 |
min. 7 N/mm2 |
|
|
Adhesion shearing strength |
min. 7 N/mm2 (base-material breakage) |
min. 7 N/mm2 (base-material breakage) |
|
|
Electrical Properties |
Alternating-current breakdown voltage |
min. 20 kV |
min. 20 kV |
|
Direct-current insulation resistance |
min. 1 X 1010 Ω |
min. 1 X 1010 Ω |
|
|
Pulling Strength |
Track spike pulling strength |
min. 15 kN |
min. 20 kN |
|
Screw spike pulling strength |
min. 30 kN |
min. 40 kN |
|
|
Unit volume mass |
0.74土 0.1 g/cm3 |
0.74土 0.1 g/cm3 |
|
|
Amount of water absorption |
max. 10 mg/cm2 |
max. 10 mg/cm2 |
|
Railway Synthetic Sleeper technical parameters
| No. | Test Item | CJ/T 399-2012 Technical Requirement | JIS E1203 Rrequirement | Unit | GNEE Steel | ||
| 1 | Bending Strength | ≥70 | ≥70 | MPa | 1# | 2# | 3# |
| 124 | 126 | 117 | |||||
| 2 | Flexural modulus | ≥6 | ≥6 | GPa | 4# | 5# | 6# |
| 10 | 11 | 13 | |||||
| 3 | Longitudinal com pression strength | ≥40 | ≥40 | MPa | 7# | 8# | 9# |
| 107 | 50 | 93 | |||||
| 4 | Shear strength | ≥7 | ≥7 | MPa | 10# | 11# | 12# |
| 11 | 10 | 12 | |||||
| 5 | Adhesive shear strength | ≥7(Base-material breakage) | MPa | 13# | 14# | 15# | |
| 10 | 8 | 12 | |||||
| 6 | Water absorption | ≤10 | ≤10 | Mg/cm3 | 16# | 17# | 18# |
| 4 | 3 | 4 | |||||
| 7 | The finished product resists bending load | ≥170 | ≥170 | kN | 19# | ||
| 210 | |||||||
| 8 | Screw spikes pullout strength | ≥40 | ≥30 | kN | 20# | 21# | 22# |
| 44 | 46 | 58 | |||||
| 9 | Mass density | 0.74±0.10 | 0.74±0.10 | g/cm3 | 23# | 24# | 25# |
| 0.72 | 0.65 | 0.68 | |||||
| 10 | Fatigue performance | 105 times,No abnormality | / | 26# | |||
| 105 times,No abnormality | |||||||
| 11 | Flame retardant | After the ignition source is removed, there is no visible flaming or continuous flaming of the sample, but the front of the flame does not exceed the 25mm mark | / | 27# | 27# | 27# | |
| After the ignition source is removed, there is no visible flaming or continuous flaming of the sample, but the front of the flame does not exceed the 25mm mark | After the ignition source is removed, there is no visible flaming or continuous flaming of the sample, but the front of the flame does not exceed the 25mm mark | After the ignition source is removed, there is no visible flaming or continuous flaming of the sample, but the front of the flame does not exceed the 25mm mark | |||||
| 12 | breakdown voltage | ≥20 | ≥20 | kV | 30# | 31# | 32# |
| Thickness: 20mm | Thickness: 20mm | Thickness: 20mm | |||||
| 35 No breakdown | 35 No breakdown | 35 No breakdown | |||||
| 13 | Surfance resistance | ≥1*1010 | ≥1*1010 | Ω | 33# | 34# | 35# |
| 4.1*1015 | 4.1*1015 | 4.9*1015 | |||||
| Remark |
1. Breakdown voltage: Sample size: 100*80*20mm (length*width*thickness), using unequal diameter electrodes in the air, ambient temperature: 20ºC, humidity: 40%. 2. Surface resistance: sample size: 100*100*4mm (length*width*thickness), ambient temperature: 20ºC, humidity: 40%, test voltage: 1000V. |
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Railway Synthetic Sleeper for sale
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