NY-ES Rail Fastening System

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NY-ES Rail Fastening System
  • NY-ES Rail Fastening System
  • NY-ES Rail Fastening System
  • NY-ES Rail Fastening System
  • NY-ES Rail Fastening System
  • NY-ES Rail Fastening System
  • NY-ES Rail Fastening System
  • NY-ES Rail Fastening System

NY-ES rail fastening system is suitable for 115RE rail. One complete set includes 4 pcs SL bolts, 4 pcs NY-ES elastic plates, 4 pcs NY nylon washers, 2 pcs interior insulator, 2 pcs exterior insulators, and 2pcs rail pad U-2.

Technical Parameters
Part name Item Technical requirement Remark
NY-ES elastic plate Type 5mm Thickness Application for different rail type
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  
NY-ES Insulator (Interior & Exterior) Type Suitable for UIC54, 115RE rails  
Material Reinforced Nylon 6 (PA6+30%GF) Density:1.39g/㎝3 Tensile strength:165Mpa Elongation: 3.5% Melting point:226℃ Insulation resistance:≥1.9×1012Ω Glass fiber content:30-35% Hardness:≥114HRR
Color Black, white or upon request  
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
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