Black Oxide Finish E-type Spring Clip for Concrete Sleepers, 12mm Thickness, 800MPa Yield Strength, ISO 9001 Compliant
Product Spotlights
Since 1998, Anping County Boli Hardware Wiremesh Products Factory has been a trusted manufacturer of railway fastening components. Our Black Oxide Finish E-type Spring Clip for Concrete Sleepers is engineered to deliver reliable performance in demanding rail environments. With a yield strength of 800MPa and a precise 12mm thickness, this clip ensures secure fastening of rails to concrete sleepers, reducing maintenance frequency and extending track life. Backed by our ISO 9001 compliant production system, each clip undergoes rigorous quality control to meet international standards.
Key Features & Technical Specifications
- Material Excellence: Manufactured from high-grade spring steel (e.g., 60Si2Mn), offering excellent elasticity and fatigue resistance.
- Black Oxide Finish: Provides corrosion protection and a uniform black appearance, suitable for outdoor and humid environments.
- 12mm Thickness: Optimized for concrete sleepers with standard rail profiles, ensuring consistent clamping force.
- 800MPa Yield Strength: Delivers robust clamping under dynamic loads, minimizing risk of loosening or creep.
- E-type Design: Facilitates easy installation and removal with standard tools, compatible with existing rail fastening systems.
- ISO 9001 Compliance: Manufactured in a quality-managed facility, ensuring repeatable dimensions and performance.
- Long Service Life: Tested for over 500,000 fatigue cycles without failure, reducing total cost of ownership.
Technical Parameters
| Parameter | Value |
| Material | Spring Steel (60Si2Mn or equivalent) |
| Surface Treatment | Black Oxide |
| Thickness | 12 mm (±0.5 mm) |
| Yield Strength | 800 MPa (minimum) |
| Tensile Strength | ≥ 1000 MPa |
| Hardness | HRC 38-45 |
| Fatigue Life | ≥ 500,000 cycles |
| Weight (approx.) | 0.45 kg per piece |
Benefits for Your Operations
- Reduces rail gauge widening and ensures consistent track geometry, enhancing safety.
- Quick installation saves labor time compared to traditional fastening systems.
- Black oxide finish resists rust in coastal or high-humidity regions, prolonging service intervals.
- High yield strength accommodates heavy axle loads (up to 25 tons) without permanent deformation.
- Compatible with most concrete sleeper designs, making it a versatile replacement part.
Trust & Quality Assurance
Anping Boli has been serving global railway markets since 1998, with annual export values between US$5 million and US$10 million. Our products are shipped from major ports including Tianjin, Qingdao, Shanghai, and Foshan to customers in North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Each batch of E-type spring clips is tested for chemical composition, mechanical properties, and dimensional accuracy in our in-house laboratory. We offer customizable packaging and can provide third-party inspection upon request. For inquiries or to place an order, contact our sales team for a competitive quote and fast delivery.
Frequently Asked Questions (FAQ)
-
Q: What steel grade is used for these clips?
A: We use spring steel 60Si2Mn (or equivalent) which is optimized for high elasticity and fatigue resistance. -
Q: Can the black oxide finish withstand outdoor exposure?
A: Yes, the black oxide coating provides good corrosion resistance for typical railway environments. For extreme conditions, additional coating options are available upon request. -
Q: Are these clips compatible with all concrete sleeper designs?
A: The E-type design is standard for most concrete sleepers with rail seats. We recommend checking your sleeper dimensions or sending a sample for verification. -
Q: What is the minimum order quantity (MOQ)?
A: MOQ is typically 5000 pieces, but smaller trial orders can be arranged for new customers. -
Q: How are the clips packaged for export?
A: They are packed in woven bags, pallets, or cartons, depending on quantity. Custom packaging with your logo is available. -
Q: Do you provide a quality certificate?
A: Yes, each shipment includes a mill test certificate for chemical composition and mechanical properties. Third-party inspection (e.g., SGS, BV) can be arranged at extra cost. -
Q: What is the lead time for production?
A: For standard orders, lead time is 15-25 days after confirmation of sample and receipt of deposit. -
Q: Can you supply other sizes or thicknesses?
A: Yes, we can customize thickness (e.g., 10mm, 14mm) and dimensions based on your drawings or specifications. Customization requires a minimum order and tooling charges.
Send Inquiry to This Supplier
You May Also Like
-
E-type Spring Clip for Concrete Sleepers, Used in Heavy-haul Railway Tracks, High Vibration ResistanceNegotiableMOQ: 1 Piece
-
E-type Spring Clip for Concrete Sleepers, 12-month Warranty, Mill Test Report Provided, Standard CompliantNegotiableMOQ: 1 Piece
-
E-type Spring Clip for Concrete Sleepers, Application for High-speed Rail Fastening System, Consistent Clamping ForceNegotiableMOQ: 1 Piece
-
E-type Spring Clip for Concrete Sleepers, DIN 101-2 Approved, 12mm Wire, Electro-coated Anti-corrosionNegotiableMOQ: 1 Piece
-
E-type Spring Clip for Concrete Sleepers, EN 16730 Compliant, 11mm Thickness, 250kN Clamping ForceNegotiableMOQ: 1 Piece
-
E-type Spring Clip for Concrete Sleepers, 16mm Wire Diameter, 20mm Height, Automatic Production Line, 0.5mm ToleranceNegotiableMOQ: 1 Piece
-
E-type Spring Clip for Concrete Rail Fastening, 14mm Steel Rod, 180N/mm Spring Rate, Fatigue Tested 2 Million CyclesNegotiableMOQ: 1 Piece
-
E-type Elastic Rail Clip 13mm Diameter 45# Carbon Steel Annealed for Concrete SleepersNegotiableMOQ: 1 Piece
-
E-type Elastic Rail Clip for 60kg/m Rail Concrete Sleeper Spring Steel 60Si2Mn Quenched TemperedNegotiableMOQ: 1 Piece
-
E-type Rail Clip With Tension Adjustment 15mm Rod 60Si2Mn Surface Black Oxide CoatingNegotiableMOQ: 1 Piece




