RNY rail fastening system is suitable for 115RE rail. One complete set includes 4 pcs SL bolts, 4 pcs RNY elastic plates, 4 pcs square elastic plates, 4 pcs NY nylon washers, and 2pcs rail pad U-2.
Technical ParametersPart 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/㎝3 Tensile strength: 4.23Mpa Tensile Modulus: 2.97Mpa Melting point: 200-220℃ Shore hardness: ≥40D | |
Finish | Natural | ||
Nylon washer | Type | NY nylon washer | |
Material | Reinforced Nylon 6 (PA6) | Density: 1.15g/㎝3 Tensile strength: 66.3Mpa Elongation: 31.3% Melting point: 228℃ 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 |