W14HH type rail fastening system is designed for heavy haul rail with a maximum acceptable axle load of 350 kN.
One complete set includes:
Part name | Item | Technical requirement | Remark | |
SKL14R clip | Type | Dia.14mm | Application for different rail types | |
Material | 60Si2Mn | Chemical composition(%): C: 0.57, Mn: 0.75, Si: 1.73, Cr: 0.07, P:≤0.015, S: ≤0.006 | ||
Finish | Plain oiled, painting, or upon request | 500 hours salt spry test | ||
Hardness | 42-47HRC | |||
Fatigue life | When clip spring deflection is 9.1mm, swing is 1.42mm, fatigue life is up to 3 million cycles without breaking. | |||
Standard refers to | DIN17221, GB/T1222 | |||
DHS35-161 screw spike | Type | M24x161mm | ||
Grade | Grade 5.6: 35# | Tensile strength: ≥500Mpa, Yield strength: ≥300Mpa, Elongation: ≥20%, Cold bending: 90 degree without crack | ||
Finish | Plain oiled, oxide black, zinc plated, hot dip galvanized, Dacromet, Sherardizing | 500 hours salt spry test | ||
Standard refers to | ISO898-1, UIC864-1, and NF F500-50 | |||
Flat washer ULS7 | Type | Uls7 | ||
Material | Q235 | |||
Finish | Plain oiled, Oxide black, Zinc plated, Hot dip galvanized, Dacromet, Sherardizing | 500 hours salt spry test | ||
Standard refers to | EN10025, EN10139 | |||
Plastic dowel SDU25 | Type | For different sizes of screw spike | ||
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 | ||
Color | Black | |||
Guide plate Wfp14k 700R | Type | UIC54,115RE rail, and size as ordered | ||
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 | |||
Rail pad Zw-141-175-7 | Type | UIC54, 115RE rail, and size as ordered | ||
Material | TPE (Thermoplastic Elastomer ) | Density: 1.09g/㎝3, Tensile strength: 4.23Mpa, Tensile Modulus: 2.97Mpa, Melting point: 200-220℃, Shore hardness: ≥40D | ||
Color | Black |
Need reliable railway fastening solutions? Contact us today for more information!
SUYU is a specialized rail fastening manufacturer based in China.
SUYU can offer diversified train wheels like the casting wheel and forging wheel.
SUYU can provide a complete set of rail fastening system of SKL14, SKL12, elastic rail clip system, and Nabal clip system.