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Help CenterE-type Spring Clip for Concrete Sleepers for Heavy-Duty Railroad Tracks, Mining Railways, and Industrial Tracks
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Established in 1998, Anping County Boli Hardware Wiremesh Products Factory is a trusted manufacturer specializing in railway fastening components. With an annual export value of US$5–10 million, we supply E-type Spring Clips designed for concrete sleepers used in heavy-duty railroad tracks, mining railways, and industrial tracks. Our clips are engineered to deliver superior holding force and long-term reliability under extreme conditions, making them a preferred choice for rail projects worldwide. Backed by decades of manufacturing experience and a strong export network across North America, Europe, Asia, and beyond, we ensure every clip meets rigorous quality standards.
Product Overview: The E-type Spring Clip (also known as elastic rail clip) is a critical component in the rail fastening system. It secures the rail to the concrete sleeper, absorbing vibrations and maintaining gauge stability. Designed for heavy-duty applications, this clip is ideal for mainline railways, mining tracks, industrial sidings, and high-frequency transit lines.
Key Features & Technical Specifications
- Material Excellence: Manufactured from high-quality spring steel (e.g., 60Si2Mn) with precise heat treatment to ensure consistent elasticity and fatigue resistance.
- Robust Design: The E-shape geometry provides optimal clamping force, preventing rail creep and reducing maintenance frequency.
- Corrosion Protection: Available with black oxide, phosphating, or Dacromet coating to withstand harsh environments, including moisture, chemicals, and UV exposure.
- Universal Compatibility: Designed to fit standard concrete sleepers with rail profiles such as 50kg/m, 60kg/m, and other heavy-duty sections.
- Easy Installation: Simple clip-on design allows quick assembly without special tools, reducing labor time and costs.
- Durability: Tested for more than 3 million cycles in fatigue tests, ensuring a service life of over 20 years under normal conditions.
| Parameter | Specification |
|---|---|
| Material Grade | 60Si2Mn, 55Si2Mn, or equivalent |
| Surface Hardness (HRC) | 38–45 |
| Clamping Force (kN) | 8–12 (adjustable per design) |
| Fatigue Life (cycles) | ≥3 million |
| Operating Temperature | -40°C to +80°C |
| Standard Compliance | DIN 17230, AREMA, GB/T 1222 (customizable) |
Advantages for Your Business
- Reduced Maintenance Costs: The superior fatigue life minimizes replacement frequency, lowering total lifecycle expenses.
- Enhanced Safety: Consistent clamping force prevents rail displacement and reduces the risk of derailment in heavy-duty operations.
- Versatile Applications: Suitable for mainline, mining, industrial, and port railways, offering a one-stop solution for different track environments.
- Customizable Options: We can adjust dimensions, coating, and packaging to meet specific project requirements.
- Global Logistics Support: Shipped from Tianjin, Qingdao, Shanghai, or Foshan ports with efficient export documentation.
Trust & Reliability
With over 25 years of manufacturing experience and an annual export value exceeding US$5 million, Anping County Boli Hardware Wiremesh Products Factory has established a strong reputation in the global railway industry. Our products are exported to North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. We have partnered with leading rail contractors and mining companies who rely on our consistent quality. Our factory is equipped with advanced production lines and a strict quality control system, ensuring every batch of E-type spring clips meets the highest standards. We also offer sample testing and technical support to help you select the optimal clip for your track conditions. Contact us today to discuss your rail fastening needs and experience the Boli difference.
Frequently Asked Questions (FAQ)
Q1: What is the typical delivery time for E-type spring clips?
A: For standard sizes, delivery is usually 15–25 days after confirmation of order. Custom orders may require additional time depending on design and quantity.
Q2: Can the clips be used with different rail profiles?
A: Yes, we offer clips designed for various rail profiles (e.g., 50kg/m, 60kg/m). Please provide your rail specifications so we can recommend the suitable clip.
Q3: Do you provide samples for testing?
A: Yes, we offer samples for evaluation. The cost of samples and shipping can be discussed. Upon large order confirmation, the sample cost may be deducted.
Q4: What coating options are available for corrosion resistance?
A: We offer black oxide, phosphating, Dacromet, and hot-dip galvanizing. The best choice depends on the environment (e.g., high humidity, chemical exposure).
Q5: How do you ensure the quality of the clips?
A: We implement a strict quality management system: raw material inspection, in-process checks, and final testing (including hardness, clamping force, and fatigue tests).
Q6: What is the minimum order quantity (MOQ)?
A: MOQ is typically 5000 pieces for standard clips. For custom sizes, MOQ may be higher. Contact us for specific details.
Q7: Can you provide certification for the material?
A: Yes, we can provide a material test certificate (MTC) and other relevant documentation upon request.
Q8: Do you support OEM/private labeling?
A: Yes, we accept OEM orders. We can customize packaging, labeling, and even modify clip dimensions to meet your design requirements.
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