Gnee Steel (tianjin) Co., Ltd.
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Composite Railroad Ties are railway ties made from composite materials such as plastic, fiberglass, or polymer blends. They are lightweight, low-maintenance, and eco-friendly, offering a cost-effective and sustainable solution for modern railway infrastructure. We GNEE rail are a leading manufacturer of rail fasteners, offering rail clips, tie plates, concrete sleepers, composite sleepers, wooden sleepers, and more. Our composite sleeper range, featuring HDPE, UHMWPE, FFU synthetic, and polyethylene materials, is fully customizable and meets international quality standards. Feel free to reach out for your rail fastening needs!
Ambient temperature: -45 ℃ ~ 70 ℃
Machinability: The same as Timber.
Service life: More than 50 years.
Maintenance costs: significantly reduced.
Lifecycle costs: Minimal.
Density: The same as wood (740kg/m3).
Electrical conductivity: Very low.
Chemical resistance: Very high.
Custom manufacture: to millimetre precision.
Sustainability: 100% recyclable.
| Item | JIS E1203:2007 Strength | (CJ/T399-2012) GNEE Sleeper Strength | |
| 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± 0.1 g/cm3 | 0.74± 0.1 g/cm3 | |
| Amount of water absorption | max. 10 mg/cm2 | max. 10 mg/cm2 | |
