1.China: Complies with standard TB/T 3395.3-2015；This fastening system is suitable for 60 kg/m (P60) rails and ballasted track concrete sleepers.
2.Other Countries: Complies with standard EN 13481-2 D. It can be applied to any I-shaped rail based on line operating conditions and gauge requirements.
Configuration Table and Description of Fastener Components for Individual Node
| No. | Item | Specification | Quantity/Pcs | Material | Description | ||
| Central | Join | ||||||
| 1 | Tension Clamp | W2 | 2 | – | 60Si2Mn/Other Hot-Rolled Spring Steel | Clamping Force：≥ 10kN | |
| X3 | – | 2 | ①Clamping Force：≥ 3kN；
②Under low resistance conditions, used in conjunction with a composite pad. |
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| 2 | Screw Spike | S1 | 2 | Quality Carbon Structural Steel
Alloy Structural Steel
Cold Heading Steel |
①Mechanical Properties:Actual Tensile Strength:≥190kN，Elongation after Fracture：≥12%。Hardness：≤ 34HRC。
②Cold Bend Performance: The rail spike shall exhibit no cracks after undergoing a 15° cold bend test following anti-corrosion treatment. ③When fastening the elastic clip, lubricating oil must be applied to the threaded part; lubricating oil may also be applied to the dowel. |
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| 3 | Flat Washer | – | 2 | Q235-A | TB/T 1495-2020 | ||
| 4 | Rail Gauge Baffle | G5-4 | 1 | PA66+30%GF | ①Water Drainage Rate：≥ 0.4%；
②Plastic Rockwell Hardness：≥ 105HRR ③Insulation Resistance：＞ 5×106Ω； ④Compressive Performance: After being subjected to the compression test, the component shall sustain no damage, and its uplift deformation shall not exceed 0.5 mm； ⑤Internal Voids：No bubbles or voids allowed. |
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| G5-6 | 1 | ||||||
| 5 | Rail Pad | Rubber Pad | RP5 | 1 | Rubber | ①Static Stiffness：60±10kN/㎜；Dynamic and Static Stiffness Ratio：≤ 2.0；
②Peel Strength of the Compound Pad R：≥ 4kN/m； ③shore A：≥ 65； ④Can also be designed to meet specific static stiffness requirements as needed.。 |
|
| Compound Pad | CRP5 | 1 | Rubber+Stainless Steel Pad | ||||
| 6 | Embedded Dowel | D1 | 2 | PA66+30%GF | ①Tensile Performance: The component shall sustain no damage after being subjected to a 100 kN tensile test；
②When fastening the tension clip, if the rail spike thread is not oiled, a small amount of lubricating grease must be injected into the dowel. |
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| 7 | Height Adjustment Pad | TD5 | – | HDPE | When the required height adjustment cannot be achieved through ballast tamping;select. | ||
Indicators of Type Ⅴ Fastening System
| Execution Standards | China | TB/T 3395.3-2015 | Type Ⅲ Fastening | |||||||||
| Other Countries | EN 13481-2 D | Railway applications – Rail -Performance Indicators of fastening system concrete sleepers fastening system | ||||||||||
| No. | Items | Performance Indicators | ||||||||||
| China | Test Method | Other Countries | Test Method | |||||||||
| 1 | Maximum axle load | 26t | ||||||||||
| 2 | Minimum curve radius | R600m | R400m | |||||||||
| 3 | Speed | 350km/h | ＞ 250km/h | |||||||||
| 4 | Longitudinal rail resistance | Normal Line | ≥ 9kN | TB/T 3396.1-2015 | Normal Line | ≥ 9kN | EN 13146-1 | |||||
| Low Resistance Line | 4±1kN | Low Resistance Line | 4±1kN | |||||||||
| 5 | System clamping force | Normal Line | ≥ 20kN | TB/T 3396.2-2015 | Normal Line | ≥ 20kN | EN 13146-7 | |||||
| Low Resistance Line | ≥ 6kN | Low Resistance Line | ≥ 6kN | |||||||||
| 6 | System Fatigue Performance | Dual rail gauge
expansion |
≤ 6㎜ | TB/T 3396.4-2015 | / | ≤ 6㎜ | EN 13146-4 | / | ||||
| Resistance change rate | ≤ 20% | TB/T 3396.1-2015 | ≤ 20% | EN 13146-1 | ||||||||
| Vertical stiffness
change rate |
≤ 25% | TB/T 3396.3-2015 | ≤ 25% | EN 13146-9 | ||||||||
| Clamping force change rate | ≤ 20% | TB/T 3396.2-2015 | ≤ 20% | EN 13146-7 | ||||||||
| 7 | Electrical resistance | ≥ 5kΩ | TB/T 3396.5-2015 | ≥ 5kΩ | EN 13146-5 | |||||||
| 8 | Effect of exposure to severe environmental conditions | Smooth disassembly | TB/T 3396.6-2015 | Smooth disassembly | EN 13146-6 | |||||||
| 9 | Proof load test for pull-out resistance | ≥ 60kN | TB/T 3396.7-2015 | ≥ 60kN | EN 13146-10 | |||||||
| 10 | Gauge adjustment range | +4～-8㎜ | ||||||||||
| 11 | Level adjustment range | +10㎜ | ||||||||||
SAFE Rail Fastening System (Zhejiang) Co., Ltd. is a leading manufacturer of rail fastening systems, with a total investment exceeding 50 million RMB and a factory area of over 50,000 ㎡. Strategically located in Zhejiang Province—China’s manufacturing hub—we specialize in providing high-quality rail fastening solutions for global markets.
The company is situated in Zhejiang Province, the heart of China’s manufacturing sector. This strategic location enables efficient access to supply chains, logistics networks, and industrial resources, supporting timely delivery of high-quality products to domestic and international customers.
Our annual output of rail fastening systems reaches 5 million sets, meeting large-scale project demands.
We operate an automated 3D warehouse with a storage capacity of 30,000 tons, ensuring efficient inventory management and product storage.
Our specialized production lines and laboratories are equipped with over 100 sets of advanced international automation and testing equipment. This ensures that every product adheres to the highest industry standards.
We comply with international standards including ISO 9001 (quality management), ISO 14001 (environmental management), and ISO 45001 (occupational health and safety management).
