RNY rail fastening system The RNY rail fastening system is expertly crafted to accommodate the 115RE rail, making it an ideal choice primarily used across South America and Latin America.
One complete set is a comprehensive solution that includes: 4 pcs of SL bolts, 4 pcs of RNY elastic plates, 4 pcs of square elastic plates, 4 pcs of cylindrical cushions, 4 pcs of NY nylon washers, 4 pcs of flat washers, 4 pcs of nuts, and 2 pcs of rail pad U-2.
Products Parameters
The RNY spring blade rail fastening system is prominently utilized in railway projects across Mexico and North America. This sophisticated fastening system is meticulously designed to secure the 115RE steel rail on concrete sleepers effectively.
Compared to other fastening systems, it offers multiple advantages. It is more cost-effective because of its simplified installation and maintenance. Beyond affordability, the spring blade technology significantly minimizes noise and vibration, proving essential for railway lines traversing residential areas.
Globally, the spring blade fastening mechanism is a staple in railway systems. Its popularity soars in countries with high-speed rail systems, where unwavering stability and security are paramount. Designed for resilience and sustainability, the spring blade mechanism ensures that rails remain securely fastened, mitigating accident risks and bolstering the overall safety of the railway infrastructure.
Technical Parameter
Part name |
Item |
Technical requirement |
Remark |
RNY elastic plate |
Type |
5mm Thickness |
Application for different rail types |
Material |
60Si2Mn |
Chemical composition(%): C: 0.56-0.64, Mn: 0.60-0.90, Si: 1.60-2.00, Cr: ≤0.35, P: ≤0.03, S: ≤0.03 |
Finish |
Plain oiled, red color painting, or upon request |
Offered as ordered |
Hardness |
42-47HRC |
|
Standard refers to |
DIN17221, GB/T1222 |
|
Rail pad U-2 |
Type |
Suitable for UIC54, 115RE rails |
|
Material |
TPE (Thermoplastic Elastomer ) |
Density: 1.09g/cm3 Tensile strength: 4.23Mpa Tensile Modulus: 2.97Mpa Melting point: 200-220ºC Shore hardness: ≥40D |
Finish |
Natural |
|
Nylon washer |
Type |
NY nylon washer |
|
Material |
Reinforced Nylon 6 (PA6) |
Density: 1.15g/cm3 Tensile strength: 66.3Mpa Elongation: 31.3% Melting point: 228ºC Insulation resistance: ≥2.8×1012Ω Hardness: ≥114HRR |
Finish |
Natural |
|
SL Bolt |
Type |
7/8*186/201 |
|
Material |
45# |
Chemical composition(%): C: 0.45, Mn: 0.65, Si: 0.25, P: 0.016, S: 0.001 |
Finish |
Plain oiled, oxide black, zinc plated, hot dip galvanized |
|
Grade |
8.8 |
Tensile strength: ≥800Mpa Yield strength: ≥640Mpa Elongation: ≥12% |
Nut |
Type |
7/8 |
|
Material |
45# |
Chemical composition(%): C: 0.45, Mn: 0.65, Si: 0.25, P: 0.016, S: 0.001 |
Finish |
Plain oiled, oxide black, zinc plated, hot dip galvanized |
|
Grade |
8 |
HV295-353 |
Flat washer |
Type |
50*23*3 |
|
Material |
Q235 |
Chemical composition(%): C: 0.12-0.20, Mn: 0.30-0.70, Si: ≤0.3, P: ≤0.045, S: ≤0.045 |
Finish |
Plain oiled, oxide black, zinc plated, hot dip galvanized |
|
Hardness |
HV200-300 |






