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Help CenterHeavy-Duty Spring Clip for Railway Sleepers, Designed for High-Speed Rail Lines
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Anping County Boli Hardware Wiremesh Products Factory, a dedicated manufacturer since 1998, proudly presents our Heavy-Duty Spring Clip for Railway Sleepers, specifically engineered for high-speed rail lines. With over two decades of expertise in metal fabrication and an annual export value ranging from US$5 million to US$10 million, we deliver reliable fastening solutions that meet the demanding requirements of modern railway infrastructure. Our spring clips are designed to provide secure rail fixation, superior vibration dampening, and long service life, ensuring safety and stability at speeds exceeding 300 km/h.
Each spring clip is manufactured from premium spring steel, heat-treated for optimal elasticity and fatigue resistance. The unique geometric design ensures consistent clamping force, reducing maintenance frequency and extending track component lifespan. Whether used for new installations or retrofitting existing lines, our clips offer a cost-effective solution without compromising performance.
Key Features & Technical Specifications
- High Fatigue Resistance: Tested for over 5 million cycles without failure, ensuring long-term reliability under repeated loading.
- Corrosion Protection: Available with black oxide, zinc plating, or Dacromet coating to withstand harsh environmental conditions.
- Easy Installation: Designed for use with standard rail fastening systems, compatible with both concrete and wooden sleepers.
- Versatile Applications: Suitable for high-speed main lines, heavy-haul railways, metro systems, and industrial tracks.
- Precise Dimensional Control: Manufactured to tight tolerances (±0.5 mm) to ensure uniform clamping force across all clips.
| Parameter | Value |
|---|---|
| Material | 60Si2Mn Spring Steel (or equivalent) |
| Hardness (HRC) | 42–48 |
| Clamping Force | 8–12 kN (adjustable by design) |
| Fatigue Life | ≥5 million cycles |
| Applicable Rail Base Width | 150–180 mm |
| Operating Temperature | -40°C to +80°C |
Benefits to Your Railway Operations:
- Reduced Maintenance Costs: The high fatigue resistance and corrosion protection minimize the need for frequent replacements, saving labor and material expenses.
- Enhanced Safety: Consistent clamping force prevents rail creep and reduces the risk of derailment, even under extreme weather or heavy traffic.
- Optimized for High-Speed: The clip's design minimizes dynamic stress concentration, ensuring smooth riding and low noise emission at high velocities.
- Compatibility: Works seamlessly with various fastening systems (e.g., Nabla, Pandrol, Vossloh) and sleeper types.
- Customizable Options: We can adjust dimensions, clamping force, and coating to meet specific project requirements.
Frequently Asked Questions
-
Q: What is the typical lead time for bulk orders?
A: Our standard lead time is 15–25 working days after order confirmation, depending on quantity and surface treatment requirements. We can expedite for urgent projects upon request. -
Q: Can you provide samples for testing before mass production?
A: Yes, we offer free samples (customer pays shipping) for evaluation. Please contact our sales team with your rail specifications. -
Q: Are these clips suitable for curved tracks?
A: Yes, our spring clips are designed to accommodate moderate curve radii (≥300 m) without losing clamping effectiveness. For tighter curves, we recommend consulting our engineers for a customized solution. -
Q: What surface treatments are available for corrosion protection?
A: We offer black oxide, zinc plating, hot-dip galvanizing, and Dacromet coating. The choice depends on environmental exposure and budget. Dacromet provides superior corrosion resistance for coastal or humid areas. -
Q: Do you comply with international railway standards?
A: Our products are manufactured according to Chinese standard TB/T 1495 and can be adapted to UIC 864, AREMA, or other standards as per customer requirements. We can provide test reports and certificates from third-party labs. -
Q: What is the minimum order quantity (MOQ)?
A: Our MOQ is 500 pieces for standard sizes. For custom designs, MOQ may be higher. We welcome small trial orders to test compatibility. -
Q: How do you ensure consistent quality across batches?
A: We have a strict QC process: incoming material inspection, in-process dimensional checks, hardness testing, and final fatigue testing on random samples. Each batch is traceable. -
Q: Can you provide installation support or technical documentation?
A: Yes, we supply installation manuals, technical drawings, and torque specifications. On-site support can be arranged for large projects at additional cost.
Trust Anping County Boli Hardware Wiremesh Products Factory – Your Reliable Partner for Railway Fasteners
With a 25-year track record, serving over 20 countries across North America, Europe, Southeast Asia, Africa, and Oceania, we have shipped thousands of tons of spring clips to satisfied customers. Our annual export value of US$5–10 million reflects our commitment to quality and competitive pricing. We are located in Hengshui, Hebei, known as the “Hardware Town of China,” giving us access to premium raw materials and skilled labor. All our products are packed securely for export via Tianjin, Qingdao, Shanghai, or Foshan ports. We welcome OEM/ODM orders and look forward to becoming your long-term supplier. Contact us today for a quotation or technical consultation!
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