Spring Clip for Railway Sleepers, 14mm Diameter, 6kN Clamping Force, Shot Blasted and Painted, 60Si2Mn Steel
Product Spotlights
As a leading manufacturer with over 25 years of experience, Anping County Boli Hardware Wiremesh Products Factory (established in 1998) proudly offers this spring clip for railway sleepers. Designed for demanding rail infrastructure, this clip features a 14mm diameter, a precise 6kN clamping force, and is manufactured from high-quality 60Si2Mn spring steel. The shot-blasted and painted surface ensures excellent corrosion resistance and long service life, making it a reliable choice for global railway projects.
Our spring clips are engineered to meet the rigorous standards of modern rail systems. With annual exports exceeding US$5 million, we supply to markets across North America, South America, Europe, Asia, Africa, and Oceania. Each clip undergoes strict quality control to ensure consistent performance, easy installation, and minimal maintenance requirements.
The 60Si2Mn steel composition provides superior elasticity and fatigue strength, while the shot-blasting process removes mill scale and surface imperfections, creating an ideal base for the durable paint coating. This combination delivers exceptional resistance to dynamic loads, vibration, and environmental factors, ensuring the clip maintains its clamping force over decades of service.
Key Features & Benefits
- Precise 6kN Clamping Force – Ensures secure rail fastening without over-stressing the sleeper, reducing track gauge widening and component wear.
- 14mm Diameter Bar – Optimized for compatibility with standard sleeper shoulders and rail fastening systems, offering easy retrofitting.
- 60Si2Mn Spring Steel – High elastic limit, excellent fatigue resistance, and stable performance under repeated loading cycles.
- Shot Blasted & Painted Surface – Removes rust, scale, and sharp edges; paint coating provides long-term corrosion protection (color options available upon request).
- Standardized Dimensions – Consistent geometry ensures uniform clamping force distribution across multiple clips, improving track stability.
- Low Maintenance – Durable finish reduces the need for frequent replacement, lowering total lifecycle costs.
- Customizable Options – Available in different paint colors, packaging configurations, and small batch sizes per customer requirements.
Technical Specifications
| Parameter | Value |
|---|---|
| Material | 60Si2Mn (Si-Mn spring steel) |
| Bar Diameter | 14 mm ±0.5 mm |
| Clamping Force | 6 kN (nominal) |
| Surface Treatment | Shot blasting + anti-corrosion paint (color optional) |
| Applicable Rail Type | Standard UIC / AREMA / BS rails (customizable) |
| Sleeper Compatibility | Concrete, wood, or composite sleepers with shoulders |
| Operating Temperature | -40°C to +60°C |
| Packaging | Bundled in cartons or pallets, with anti-rust protection |
Why Choose Anping County Boli Hardware Wiremesh Products Factory?
Since 1998, we have been dedicated to manufacturing high-quality hardware and wire mesh products. Our railway spring clips are produced on advanced forming lines with precise heat treatment and surface finishing processes. With an annual export value of US$5–10 million, we ship from major Chinese ports (Tianjin, Qingdao, Shanghai, Foshan) to over 15 regions worldwide. Our experienced team ensures timely delivery, competitive pricing, and strict quality control. We work closely with railway contractors, maintenance departments, and OEMs to provide customized solutions. For this spring clip, we offer free samples for evaluation, flexible ordering quantities, and professional technical support. Contact us today to discuss your project requirements.
Frequently Asked Questions
Q1: What is the exact clamping force of this spring clip?
A: The nominal clamping force is 6 kN under standard installation conditions. Actual force may vary slightly based on rail profile and sleeper shoulder geometry.
Q2: Can this clip be used for both concrete and wooden sleepers?
A: Yes, it is compatible with concrete, wood, and composite sleepers that have suitable shoulders. We recommend confirming shoulder dimensions with our technical team.
Q3: What paint colors are available?
A: Standard colors are black and gray. Custom colors (e.g., yellow, green) are available upon request with minimum order quantity.
Q4: How long does the paint coating last in outdoor conditions?
A: The shot-blasted surface enhances adhesion; the paint provides corrosion protection for 3–5 years in typical environments, depending on climate and maintenance. For severe conditions, we can apply a thicker coating or additional zinc-rich primer.
Q5: Is this clip compliant with any international standards?
A: Our products are manufactured to meet common railway fastener specifications. We can provide test reports for material composition, hardness, and clamping force. Specific standards (e.g., AREMA, UIC) can be discussed with your requirements.
Q6: What is the minimum order quantity (MOQ)?
A: Our standard MOQ is 500 pieces. Smaller quantities may be available for sample or trial orders.
Q7: How are the clips packaged for export?
A: They are bundled in strong cartons or on pallets, with rust-preventive paper and shrink wrap. Each bundle is labeled with specifications and quantity.
Q8: Do you offer technical support for installation?
A: Yes, we provide installation guidelines and can arrange remote technical support. For large projects, on-site assistance is possible upon negotiation.
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