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zh Leaf Spring Seat Manufacturer | Heavy-Duty Suspension Components for Trucks & Trailers
OEM leaf spring seat supplier ISO 9001 & IATF 16949 certified leaf spring seats (EN-GJS-500, ASTM A36). OEM designs for Volvo, Scania, Mercedes-Benz. Request CAD & lead time!
Introduction
Leaf Spring Seat Manufacturer | Heavy-Duty Suspension Components for Trucks & Trailers
What is a Leaf Spring Seat?
A leaf spring seat (also called leaf spring bracket or spring hanger) is a critical component connecting leaf springs to axles or chassis in heavy-duty vehicles. Our seats ensure load stability and vibration damping for trucks, trailers, and off-road equipment.
Industry Synonyms:
Leaf Spring Mounting Bracket
Spring Hanger Assembly
Suspension Seat
Materials & Certifications
| Parameter | Specifications | Certifications |
|---|---|---|
| Material | EN-GJS-500 Ductile Iron / ASTM A36 Steel | ISO 9001, IATF 16949 |
| Process | Sand Casting + CNC Machining | EN 1563, ISO 10893 |
| Load Capacity | 8,000kg Static / 5,000kg Dynamic | Finite Element Analysis (FEA) Verified |
| Surface Treatment | Shot Blasting + Epoxy Coating | Salt Spray Test 1,000hrs (ISO 9227) |
Why Choose Our Leaf Spring Seats?
✅ Certified Vertical Manufacturing
IATF 16949 Compliance: Automotive-grade production for Volvo, Scania, and FAW truck models.
Foundry Precision: 230m³ blast furnace with <0.02% sulfur content prevents casting cracks.
✅ Proven Durability
Fatigue Testing: 1 million cycles at 5,000kg dynamic load (no deformation).
Corrosion Resistance: Epoxy coating withstands mud, road salt, and humidity.
✅ Fast Customization
OEM Adaptation: Modify hole patterns, thickness (8-20mm), and coatings (zinc plating optional).
Lead Time: 15 days for standard seats; 25 days for custom designs.
Applications
| Industry | Vehicle Type | Key Feature |
|---|---|---|
| Freight Trucks | 6x4 Tractor Trailers | EN-GJS-500 seats for 40-ton GVW |
| Construction | Mining Dump Trucks | 20mm thick ASTM A36 steel |
| Agriculture | Grain Trailers | Corrosion-resistant epoxy coating |
Quality Assurance
Dimensional Checks: CMM measurement (±0.1mm accuracy).
Load Testing: 1.5x rated load for 30 minutes.
Get Samples & Support
🔧 Service Workflow
Submit Requirements: Email axle specs or CAD to zbw@tiegu.net.
Technical Review: DFM report within 4 business hours.
Sample Approval.
📩 Contact
Email: zbw@tiegu.net (Subject: [Leaf Spring Seat] + Vehicle Model)
Online Form: Request Quotation
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