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Help CenterElastic Rail Clip Type SKL15 55Si2Mn Heat Treated Zinc Plated UIC 864 Compliant
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Anping County Boli Hardware Wiremesh Products Factory, a professional manufacturer established in 1998 with an annual export value of US$5–10 million, proudly presents the Elastic Rail Clip Type SKL15 made from 55Si2Mn steel. This clip is engineered to deliver reliable holding power and lasting elasticity for railway tracks, fully compliant with UIC 864 standards. Our heat-treated and zinc-plated finish ensures exceptional corrosion resistance and fatigue life, making it an ideal choice for demanding rail fastening systems worldwide.
The SKL15 elastic rail clip is a critical component in modern railway infrastructure, designed to firmly secure rails to sleepers while allowing necessary movement under load. Its precise geometry and heat treatment process guarantee consistent clamping force and long service life, reducing maintenance costs. With over two decades of manufacturing experience, we provide high-quality fasteners that meet the rigorous requirements of mainline, heavy-haul, and metro rail networks.
Key Features & Technical Specifications
- Material: Premium 55Si2Mn spring steel, known for high yield strength and excellent elasticity.
- Heat Treatment: Full quenching and tempering process to achieve optimal hardness (38–45 HRC) and toughness.
- Surface Treatment: Zinc plating (8–12 μm thickness) provides superior anti-corrosion protection, tested in salt spray for 72+ hours.
- Compliance: Meets UIC 864-6 technical specifications for elastic rail clips.
- Dimension: Designed for standard rail foot profiles (e.g., 50E1, 54E1, 60E1) – please consult for specific rail type.
- Clamping Force: Approximately 10–12 kN per clip (depending on assembly and rail profile).
- Fatigue Life: Exceeds 5 million cycles in dynamic testing.
- Packaging: Available in bulk or palletized, with customized options upon request.
| Parameter | Value |
|---|---|
| Material Grade | 55Si2Mn |
| Surface Coating | Zinc Plated |
| Standard | UIC 864 |
| Hardness (HRC) | 38–45 |
| Clamping Force (kN) | 10–12 |
| Fatigue Life (cycles) | > 5 million |
| Salt Spray Resistance | ≥ 72 hours |
Advantages for Your Railway Project
- Consistent Quality: Our strict in-house quality control ensures every clip meets dimensional and mechanical tolerances.
- Long Service Life: The combination of heat treatment and zinc plating dramatically reduces corrosion and wear, lowering replacement frequency.
- Easy Installation: SKL15 design is compatible with standard manual or automatic clip insertion tools.
- Global Compatibility: Works with UIC 60, 54E1, and other common rail profiles – we can also customize for special orders.
- Cost-Effective: Direct factory pricing eliminates middleman expenses, supported by our 20+ years of manufacturing experience.
Our factory in Hengshui, Hebei, China, has been producing rail fasteners since 1998 and exports to markets across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. With an annual export value exceeding US$5 million, we have built a reputation for reliability and on-time delivery. We ship from major ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring efficient logistics to your destination.
Trust Anping Boli for your rail fastening needs. Our dedicated team can provide technical drawings, third-party test reports, and samples upon request. Contact us today to discuss your project requirements and experience the quality of a seasoned manufacturer.
Frequently Asked Questions
-
What is the difference between SKL15 and other rail clip types?
SKL15 is a specific design under UIC 864 standard, offering a balance of clamping force and elasticity. It is widely used in modern rail systems. Consult our technical team for compatibility with your existing fastening system. -
Is the zinc plating environmentally friendly?
Yes, our zinc plating process complies with RoHS directives and uses trivalent chromium passivation, which is less harmful than traditional hexavalent chromium. -
Can you provide clips for non-standard rail profiles?
We can customize the clip dimensions for special rail profiles. Please provide your rail specifications and required clamping force for a quotation. -
How do you ensure the heat treatment quality?
We use computer-controlled furnaces with real-time temperature monitoring. Every batch is tested for hardness and microstructure before shipment. -
What is the minimum order quantity (MOQ)?
Standard MOQ is 5000 pieces, but we can negotiate smaller quantities for trial orders or urgent projects. -
Do you provide free samples?
Yes, we offer free samples for evaluation (freight collect). Contact our sales team to arrange. -
How long does the delivery take?
For standard SKL15 clips, production takes 15–20 days after order confirmation. Shipping time depends on destination. -
Are your clips tested for fatigue failure?
Yes, we perform dynamic fatigue testing per UIC 864 requirements. We can share test reports upon request.
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