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Help CenterFatigue Resistant Spring Rail Clip 65Mn, 150kN Clamping Force, Black Oxide
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As a professional manufacturer with over 25 years of experience, Anping County Boli Hardware Wiremesh Products Factory proudly presents our Fatigue Resistant Spring Rail Clip 65Mn, designed to deliver a consistent 150kN clamping force with a durable black oxide finish. Our factory, established in 1998, has been exporting high-quality railway fastening components to markets worldwide, including North America, Europe, and Southeast Asia, with an annual export value exceeding US$5 million. This rail clip is engineered to withstand repetitive stress and harsh environmental conditions, ensuring long-term track stability and safety for heavy-duty rail operations.
The core of this product lies in its premium 65Mn spring steel material, which offers excellent fatigue resistance and elasticity. Combined with a precise heat treatment process, the clip maintains its clamping force of 150kN even under extreme vibration and load cycles. The black oxide coating provides an additional layer of corrosion protection, extending the service life in humid or corrosive environments. Below are the key technical specifications:
| Parameter | Value |
| Material | 65Mn Spring Steel |
| Clamping Force | 150 kN |
| Surface Finish | Black Oxide |
| Applicable Rail Type | 60kg/m, 50kg/m (customizable) |
| Fatigue Life | ≥ 3 million cycles (tested) |
| Weight per piece | ~0.85 kg |
Product Features & Benefits:
- Superior Fatigue Resistance: The 65Mn steel composition, combined with optimized heat treatment, ensures the clip can endure millions of load cycles without permanent deformation or cracking, reducing maintenance frequency.
- Consistent 150kN Clamping Force: Each clip is rigorously tested to deliver a stable clamping force of 150 kN, effectively securing the rail to the sleeper and preventing lateral displacement under heavy traffic.
- Black Oxide Coating: This corrosion-resistant finish protects the clip from rust and oxidation, even in high-humidity, coastal, or tunnel environments, prolonging service life.
- Precision Manufacturing: Our advanced production lines and strict quality control (including dimensional checks and hardness testing) guarantee uniform geometry and performance across every batch.
- Easy Installation: The clip design is compatible with standard rail fastening systems, allowing quick and secure installation with common tools, reducing labor time.
- Versatile Application: Suitable for mainline railways, heavy-haul lines, metro systems, and industrial tracks, available in customized sizes for different rail profiles.
Our factory has been a trusted supplier in the global rail industry since 1998. With an annual export value of US$5-10 million and shipping ports including Tianjin, Qingdao, Shanghai, and Foshan, we ensure timely delivery for international orders. Our main markets cover North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, and more, reflecting our commitment to quality and reliability. We use durable packaging (e.g., palletized or cartons) to protect the clips during transit.
Frequently Asked Questions:
1. What makes 65Mn steel ideal for spring rail clips?
65Mn is a high-carbon spring steel with excellent elasticity and fatigue strength. It can withstand repeated stress without permanent set, making it perfect for railway fastening applications where dynamic loads are constant.
2. Why is a 150kN clamping force important?
A 150 kN clamping force ensures the rail is firmly held against the sleeper, preventing gauge widening, rail creep, and track misalignment. This is critical for maintaining safe and stable train operations, especially on heavy-haul lines.
3. Does the black oxide finish affect the clip's performance?
No, the black oxide coating is a thin conversion layer that provides corrosion resistance without altering the mechanical properties of the steel. It also gives a uniform appearance and can be combined with oiling for extra protection.
4. Can these clips be used on curved tracks?
Yes, the clip's design accommodates curved sections as it maintains consistent clamping force. However, we recommend consulting our technical team for specific curve radius requirements to ensure optimal performance.
5. What packaging options are available?
We offer standard packaging in woven bags, cartons, or palletized with steel strapping. Custom packaging (e.g., shrink-wrapped, waterproof) is available upon request for long-distance ocean freight.
6. How is the fatigue life tested?
Our clips undergo dynamic fatigue testing on a specialized machine that simulates cyclic loading (e.g., 3 million cycles at a specified frequency). The test confirms that the clip maintains its clamping force without cracking or settling.
7. Do you offer samples for qualification?
Yes, we provide samples for evaluation. The sample cost is negotiable, and shipping charges apply. Please contact our sales team to arrange a sample order.
8. What is the typical lead time for bulk orders?
For standard sizes, the lead time is 15-25 days after order confirmation, depending on quantity. We can expedite production for urgent orders based on inventory availability.
With our deep industry expertise, robust manufacturing capabilities, and global logistics network, we are confident that our Fatigue Resistant Spring Rail Clip 65Mn will meet your demanding railway requirements. We invite you to reach out for a quote or technical discussion. Let us be your reliable partner for rail fastening solutions.
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