Product Category

WJ-8 Fastening System

1.China: Complies with standard TB/T 3395.5-2015. This fastening system is suitable for 60 kg/m (P60) rails and ballasted track concrete sleepers.

2.Other Countries: Complies with standard EN 13481-5 D. It can be applied to any I-shaped rail based on line operating conditions and gauge requirements.

3.This fastening can be used as a complete substitute for the Type 300 fastening.

Product Description

Configuration Table and Description of Fastener Components for Individual Node

No. Item Specification Quantity/Pcs Material Description
1 Tension Clamp W1 2 60Si2Mn/Other Hot-Rolled Spring Steel Clamping Force:≥ 9kN
X2 2 ①Clamping Force:≥ 3kN;

②Under low resistance conditions, used in conjunction with a composite pad.

2 Screw Spike S2 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 tension clip,,lubricating oil must be applied to the threaded part; lubricating oil may also be applied to the dowel.

④In the standard assembly state, use S2. When the adjustment amount is ≥15 mm, use S3.

S3 2
3 Flat Washer 2 Q235-A TB/T 1495-2020
4 Rail Gauge Insulator WJ8-9 2 PA66+30%GF ①Water Drainage Rate:≥ 0.5%;

②Plastic Rockwell Hardness:≥ 105HRR

③Shear Resistance: No rupture after applying 4.5 kN shear force to both ears.

④Impact Toughness: No rupture after 6 impact tests.

⑤Internal Voids: No bubbles or voids allowed

5 Rail Gauge Baffle WJ8-7 2 PA66+30%GF ①Water Drainage Rate:≥ 0.3%;

②Plastic Rockwell Hardness:≥ 105HRR;

③Internal Voids: No bubbles or voids allowed.

④Insulation Resistance:>5×106Ω。

6 Rail Pad Rubber Pad WJ8-6 1 Rubber ①shore A:≥ 80;

②Peel Strength of the Compound Pad R:≥ 4kN/m。

Compound Pad CWJ8-6 1 Rubber+Stainless Steel Pad
7 Rail Tie Pad WJ8 1 QT 450-10 ①Tensile Strength Rm:≥ 450MPa,Elongation after Fracture A:≥ 10%;

②Metallographic Structure: Spheroidization Grade ≥ Grade 3

8 Resilient Tie Pad WJ8-A 1 Rubber and Plastics ①Insulation Resistance:≥1×107Ω;

②Static Stiffness:A—35±5kN/㎜,B—23±3kN/㎜;

③Dynamic and Static Stiffness Ratio:≤ 1.35

WJ8-B 1
9 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,If the anchor bolt is not lubricated, a small amount of lubricating grease must be injected into the dowel.
10 Rail Height Adjustment Pad WJ8-X HDPE Selected for height adjustment.
11 Rail Tie Pad Height Adjustment Pad WJ8-X HDPE Selected for height adjustment.


Indicators of Type WJ-8 Fastening System

Execution Standards China TB/T 3395.5-2015 Type WJ-8 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 4±1kN Low Resistance Line 4±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 ±10㎜
11 Level adjustment range -4~+26㎜
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Frequently Asked Questions
What is SAFE Rail Fastening System (Zhejiang) Co., Ltd.?

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).

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