1.China: Complies with standard Q/CR 7-2014 Type W300-1 Fastening; This fastening system is suitable for 60 kg/m (P60) rails and ballasted track concrete sleepers.
2.Other Countries: Complies with standard EN 13481-5 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 |
| 1 | Tension Clamp | SkL15 | 2 | 38Si7
60Si2Mn 61SiCr7 56SiCr7 |
Clamping Force：10.5±1.5kN or ≥ 9kN。 |
| SkL B15 | 2 | ①Clamping Force：SKL B15/4.5±1kN；SKL 15LT/kN；
②Under low resistance conditions, used in conjunction with a composite pad. |
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| SkL 15LT | 2 | ||||
| SKL 15IF | 2 | ①Clamping Force：7.5±1.5kN；
②Use in conjunction with the IS15 IF insulation spacer at rail joints. |
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| 2 | Screw Spike | Ss 36-230 | 2 | Quality Carbon Structural Steel
Alloy Structural Steel
Cold Heading Steel |
①Mechanical Properties：ISO 898-1 5.6。
②Cold Bend Performance: The rail spike shall exhibit no cracks after undergoing a 90° cold bend test following anti-corrosion treatment. ③When fastening the tension clip,，lubricating oil must be applied to the threaded part; lubricating oil may also be applied to the dowel. |
| 3 | Flat Washer | ULs7 | 2 | Q235-A | |
| 4 | Rail Gauge Baffle | Wfp 15a | 2 | PA6/66+30%GF | ①Water Drainage Rate：≥ 0.2%；
②Impact Strength：≥ 40kJ/㎡。 |
| 5 | Insulation
Spacer |
IS15 | 2 | PA6/66+30%GF | ①Water Drainage Rate：≥ 0.5%；
②Use in conjunction with the IS15 IF insulation spacer at rail joints. |
| IS15 IF | 2 | ||||
| 6 | Rail Pad | Zw 692-6 | 1 | EVA | ①shore D：32～50；
②Tensile Strength：≥ 10MPa。 |
| 7 | Rail Tie Pad | Grp21 | 1 | Hot-rolled steel | Tensile Strength Rm：≥ 410MPa，Yield Strength ReH：≥ 275MPa，Elongation after Fracture A：≥ 22%。 |
| 8 | Resilient Tie Pad | Zwp 104NT-22.5 | 1 | Rubber and Plastics | ①Static Stiffness：22.5±2.5kN/㎜；
③Dynamic and Static Stiffness Ratio：≤ 1.35 |
| 9 | Nylon Dowel | Sdu26 | 2 | PA6 | ①Tensile Performance: The component shall sustain no damage after being subjected to a 90kN tensile test.
②When fastening，If the anchor bolt is not lubricated, a small amount of lubricating grease must be injected into the dowel. |
| 10 | Height Adjustment Pad | AP20-6 | – | HDPE | Selected for height adjustment and must be used in pairs. |
| AP20-10 | – | HDPE | Selected for height adjustment and must be used in pairs. | ||
| AP20S | – | QT 450-10 | Selected for height adjustment and must be used in pairs. |
Indicators of Type W300 Fastening System
| Execution Standards | China | Q/CR 7-2014 | Type W300-1 Fastening | |||||||||
| Other Countries | EN 13481-5 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 | 6±1kN | Low Resistance Line | 6±1kN | |||||||||
| 4.5±1kN | ||||||||||||
| 5 | System clamping force | Normal Line | ≥ 18kN | TB/T 3396.2-2015 | Normal Line | ≥ 18kN | EN 13146-7 | |||||
| Low Resistance Line | ≥ 6kN | Low Resistance Line | ≥ 6kN | |||||||||
| 6 | System Fatigue Performance | Dual rail gauge | ≤ 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 | ≤ 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 | Insulation 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 | ±16㎜ | ||||||||||
| 11 | Level adjustment range | -4～+26㎜，Maximum adjustable range-4～+76㎜。 | ||||||||||
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).
