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Help CenterPre-galvanized W-type Elastic Rail Clip 12mm Rod Diameter for Heavy Haul
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Anping County Boli Hardware Wiremesh Products Factory has been a trusted manufacturer of railway fastening components since 1998. With an annual export value exceeding US$5 Million and a global presence spanning North America, Europe, Southeast Asia, Africa, and Oceania, we bring decades of engineering expertise to every product. Our Pre-galvanized W-type Elastic Rail Clip with a 12mm rod diameter is specifically designed for heavy haul applications, offering superior clamping force, long service life, and easy installation. This clip is the backbone of a secure rail fastening system, ensuring track stability under the most demanding load conditions.
The W-type elastic rail clip is crafted from high-quality carbon steel and undergoes a rigorous pre-galvanization process that provides excellent corrosion resistance, even in harsh environments. The 12mm rod diameter ensures adequate spring tension to maintain consistent rail gauge and prevent rail creep, which is critical for heavy haul operations where trains carry up to 40 tonnes per axle. Our manufacturing facility in Hengshui, Hebei, China, is equipped with advanced production lines and strict quality control, guaranteeing that every clip meets international standards.
Key Features & Technical Specifications
- W-Type Elastic Design: Optimized geometry provides consistent clamping force (12–15 kN per clip) while absorbing dynamic loads and vibrations from passing trains.
- Pre-galvanized Surface: Zinc coating thickness of 50–80 μm ensures long-term protection against rust and corrosion, extending service life by 30% compared to plain clips.
- 12mm Rod Diameter: Balances strength and flexibility, suitable for heavy haul rail profiles such as 60kg/m, 75kg/m, and UIC60.
- High Fatigue Resistance: Tested to withstand over 5 million cycles without failure, meeting the demands of high-traffic heavy haul lines.
- Easy Installation: Compatible with standard rail clips and insulators; can be installed using manual or hydraulic tools without special equipment.
- Customizable Options: Available in different diameters (11mm, 13mm on request), alternative coatings (hot-dip galvanized, black oxide), and hardness grades to match specific track conditions.
| Parameter | Value |
|---|---|
| Material | Carbon steel (Q235B / 60Si2Mn / 55Si2Mn) |
| Surface Treatment | Pre-galvanized (hot-dip galvanized optional) |
| Rod Diameter | 12 mm ± 0.5 mm |
| Clamping Force | 12–15 kN (adjustable) |
| Hardness | HRC 38–42 |
| Fatigue Life | ≥ 5 million cycles |
| Operating Temperature | -40°C to +80°C |
| Applicable Rail Type | 50kg/m, 60kg/m, 75kg/m, UIC60, JIS 60kg |
| Packaging | Pallet (500–1000 pcs/pallet) or customized |
Detailed Advantages for Heavy Haul Applications
- Enhanced Track Stability: The W-type clip’s elastic deformation prevents rail rollover and maintains correct gauge, even under repeated heavy axle loads.
- Reduced Maintenance: Pre-galvanized coating eliminates the need for frequent re-coating; the clip’s fatigue resistance minimizes replacement intervals.
- Cost-Effective Solution: Compared to clips with thicker diameters, the 12mm rod offers an optimal balance between material cost and performance, reducing overall project expenditure.
- Compatibility with Standard Insulators: Works seamlessly with nylon, polyurethane, or rubber insulators to provide electrical insulation and vibration damping.
- Proven Performance in Harsh Conditions: Successfully deployed in heavy haul lines across Australia, South Africa, Brazil, and North America, where extreme temperatures and high humidity are common.
Trust & Reliability from a Established Manufacturer
With over 25 years of manufacturing experience, Anping County Boli Hardware Wiremesh Products Factory has exported rail clips to more than 15 countries across six continents. Our annual export value of US$5M–10M reflects the trust that global railway operators and contractors place in our products. We ship from major ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery to any destination. Each batch undergoes strict dimensional, hardness, and fatigue testing before shipment, and we offer flexible customization options to meet your specific track requirements. Contact our team today for a competitive quote or to request samples for evaluation. We are committed to providing durable, reliable fastening solutions that keep your heavy haul operations running smoothly.
Frequently Asked Questions
1. What is the difference between pre-galvanized and hot-dip galvanized coatings?
Pre-galvanized (also called mill-galvanized) is applied during the manufacturing process, providing a uniform coating thickness of 50–80 μm. Hot-dip galvanized is applied after forming, offering a thicker coating (80–120 μm) for extremely corrosive environments. We can supply either option based on your project requirements.
2. Is this clip compatible with concrete sleepers and wooden sleepers?
Yes, the W-type clip works with both concrete and wooden sleepers when paired with the appropriate baseplate and insulator. For concrete sleepers, we recommend using a nylon or polyurethane insulator to provide electrical insulation.
3. What is the minimum order quantity (MOQ)?
Our standard MOQ is 5,000 pieces for regular models. However, for trial orders or urgent projects, we can negotiate a smaller quantity. Please contact our sales team for details.
4. Can you provide custom diameters or lengths?
Absolutely. We can manufacture clips with rod diameters from 10mm to 14mm, and lengths can be adjusted to match specific rail profiles. Customization is available upon request with a lead time of 15–20 days.
5. How do you ensure the quality of the clips?
We follow a strict quality control process: incoming material inspection, in-process dimensional checks, hardness testing (Rockwell), fatigue testing (5 million cycles), and final visual inspection. Each batch comes with a test report if required.
6. What is the typical lead time for shipment?
For standard orders (5,000–20,000 pieces), the lead time is 15–20 days after confirmation of order and payment. Larger quantities may require 25–30 days. We ship via sea or air from Tianjin or Qingdao port.
7. Do you offer samples for testing?
Yes, we provide free samples for evaluation. The customer only needs to cover the shipping cost. Samples are available within 7 days after request.
8. Is this clip compliant with AREMA or other international standards?
Our W-type clip can be manufactured to meet AREMA, TB/T 1911, BS 47, or EN 13481 standards. Please specify the required standard when placing your order, and we will tailor the product accordingly.
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