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Help Center1 Year Warranty W-type Elastic Rail Clip With Mill Test Report Provided
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Anping County Boli Hardware Wiremesh Products Factory, established in 1998, is a professional manufacturer specializing in railway fastening components. With over 25 years of experience, we have supplied high-quality W-type elastic rail clips to global markets, including North America, South America, Europe, Southeast Asia, Africa, and Oceania. Our annual export value exceeds US$5 million, and every shipment is backed by a 1-year warranty and a Mill Test Report to ensure material traceability and performance reliability. This product is designed to provide secure rail fixation, reduce maintenance costs, and extend track life.
The W-type elastic rail clip is a critical component in modern railway fastening systems. It is engineered to deliver consistent clamping force while absorbing vibrations and dynamic loads from passing trains. Manufactured from premium spring steel (60Si2Mn or 55Si2Mn), each clip undergoes strict quality control, including hardness testing, tensile strength verification, and dimensional inspection. The result is a product that meets international standards for railway track safety and durability.
Key Features & Technical Specifications
- Material: High-quality spring steel (60Si2Mn / 55Si2Mn) – ensures excellent elasticity and fatigue resistance.
- Surface Treatment: Available in black oxide, phosphated, or oil-dipped finish – provides corrosion protection in various climates.
- Hardness: 40–48 HRC – optimal balance between strength and flexibility.
- Tensile Strength: ≥ 1200 MPa – withstands heavy rail traffic without permanent deformation.
- Design: W-type bending profile – maximizes clamping force while minimizing stress concentration.
- Consistent Clamping Force: Maintains stable pressure on rail foot even under extreme temperature changes.
- Mill Test Report: Provided with each batch – includes chemical composition, mechanical properties, and dimensional data.
- 1-Year Warranty: Covers defects in material and workmanship – gives you peace of mind.
Dimensional & Mechanical Parameters (Typical Values)
| Parameter | Value | Remarks |
|---|---|---|
| Material | 60Si2Mn / 55Si2Mn | Spring steel per GB/T 1222 |
| Wire Diameter | 13 mm / 14 mm | Customizable upon request |
| Free Length (L) | 111 mm ± 2 mm | Standard dimension |
| Clamping Force (at 10 mm deflection) | ≥ 8.5 kN | Tested per customer requirement |
| Hardness | 40–48 HRC | Consistent across batch |
| Surface Finish | Black oxide / Phosphated | Optional oil-dipped for extra rust protection |
Advantages for Your Railway Projects
- Reduced Maintenance: The elastic design absorbs vibration, reducing fastener loosening and track misalignment.
- Long Service Life: Premium spring steel and proper heat treatment provide fatigue life exceeding 3 million cycles.
- Easy Installation: W-type clips can be installed manually or with standard rail clip tools, saving labor time.
- Compatibility: Fits most standard rail profiles (e.g., 50kg/m, 60kg/m) and insulator systems.
- Full Traceability: Each batch comes with a Mill Test Report (chemical composition, mechanical properties) for quality assurance.
- Weather Resistance: Surface treatment options suitable for tropical, cold, or coastal environments.
Our factory in Hengshui, Hebei, China, has been producing rail fastening components since 1998. With an annual export value of US$5 million to US$10 million, we serve clients in over 30 countries. We ship from ports like Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery. Every order includes a 1-year warranty and a Mill Test Report – your guarantee of quality and performance. We welcome inquiries for custom sizes, surface treatments, and packaging requirements.
Why choose Anping Boli? We are a manufacturer with decades of expertise, strict quality control, and a commitment to customer satisfaction. Our W-type elastic rail clips have been used in heavy-haul railways, metro systems, and industrial tracks worldwide. Contact us today for a competitive quote and technical support.
Frequently Asked Questions (FAQ)
Q1: What is the standard material for your W-type elastic rail clip?
A: The standard material is 60Si2Mn or 55Si2Mn spring steel, which offers excellent elasticity and fatigue resistance. Other spring steel grades are available upon request.
Q2: Do you provide a Mill Test Report for each order?
A: Yes, a Mill Test Report is provided with every batch, detailing chemical composition, mechanical properties, and dimensional results. This ensures full traceability.
Q3: What is the clamping force of your W-type clip?
A: The clamping force is typically ≥ 8.5 kN at 10 mm deflection, but this can be customized based on your rail profile and fastening requirements.
Q4: Can you customize the surface treatment?
A: Absolutely. We offer black oxide, phosphated, and oil-dipped finishes. For special corrosion resistance, we can also provide zinc plating or Dacromet coating (customizable).
Q5: What is the lead time for bulk orders?
A: Typical lead time for a standard container (20' FCL) is 20–30 days after order confirmation. For urgent orders, we can expedite production upon negotiation.
Q6: Do you test the clips for fatigue life?
A: Yes, we perform fatigue testing as per customer requirements. Our clips can withstand over 3 million cycles without failure under normal working conditions.
Q7: Can you provide samples for evaluation?
A: Yes, we offer free samples for freight-collect. Please contact our sales team to discuss sample requirements and shipping details.
Q8: How is the product packaged to prevent rust during shipping?
A: Clips are packed in pallets with steel strapping and wrapped in waterproof plastic film. Additional rust-proofing (oil-dipped or VCI paper) is available for long sea voyages.
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