SKL12 Rail Clip
SKL12 Rail Clip is the W type of SKL fastening system, which is the latest improved rail fixing method based on the original old railway rail fixing method.
- Product Introduction
Lanling's SKL12 Rail Clip is made from high-quality spring steel such as 60Si2MnA, offering excellent strength, elasticity, and durability. Designed in accordance with international standards, it is compatible with E-series, W-series, and other widely used railway fastening systems, as well as various rail types and sleepers used in Europe and Asia. As an improved W-type SKL fastening component, the SKL12 clip performs reliably under high vibration and heavy loads, providing long-term, stable rail fixation. Its special design also enhances safety in theft-prone areas, making it a dependable solution for modern railway tracks.
Product Specifications
| Product Name | W Shape SKL 12 |
| Material | 60 si2cr,55SiMn,38 si7 |
| Exterior | No surface and internal defects |
| Surface | Normal oil coating, oxygen black, galvanized, baking varnish, hot dip galvanized, Dacro coating, etc |
| Standard | EN10089,GB/T 1222,DIN 17221 |
Range of Use for SKL12 Rail Clips
Track type
It is appropriate for radius R300M lines and conventional railway lines, including various orbit kinds such urban rail transit, high-speed trains, and regular railways.
Type of steel rails
It can be used with the appropriate rail sleeper and fastening mechanism to guarantee a dependable connection between the rail and the sleeper. It is mostly used for 50 and 60 kg/m steel rail lines.
Type of rail sleepers
Rail sleeper types include prestressed concrete sleepers, prestressed wide concrete sleepers, straight-line road beds, etc.
SKL12 Rail Clips Mechanical Performance
|
Type |
Railway Clip SKL 12 | |||
| Or the type based on customers' drawings | ||||
|
Material |
60Si2MnA |
60Si2CrA | 55Si2Mn | 38Si7 |
| 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 | C:0.56-0.64, Mn:0.40-0.70, Si:1.40-1.80,Cr:0.70-1.00 P:≤0.03, S:≤0.03 | C:0.52-0.60, Mn:0.60-0.90, Si:1.50-2.00,Cr:≤0.35 P:≤0.03, S:≤0.03 |
C:0.35-0.42, Mn:0.50-0.80, Si:1.50-1.80, P:≤0.03, S:≤0.03 |
|
Hardness |
42-47HRC |
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| Fatigue life |
for Dia.18 is 3 millions cycles without breaking for Dia.20 is 5 millions cycles without breaking |
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Surface hardness |
~ 400-460 HV 30 (in line with ISO6507 or the same standard) |
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|
Fracture extension |
> = 8% |
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| Stretch |
> = 1300[MPa] |
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| Stretching extreme elasticity |
> = 1150[MPa] |
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Standard refers |
DIN17221, BS970, GB/T1222 |
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Why Choose LanlingRail Fasteners?
Wuxi Lanling Railway Equipment Co., Ltd. is trusted for its long manufacturing experience, complete railway fastening product range, and stable quality. With advanced automated production lines, strict in-house testing, and CRCC and ISO 9001 certifications, Lanling ensures reliable performance, consistent supply, and long service life for railway projects worldwide.
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