Trailer spring

1. Durable Material
Made from 60Si2Mn alloy spring steel and subjected to quenching, tempering, and shot-peening heat treatments. It offers high resistance to fatigue and deformation, resists breakage under heavy loads, maintains elasticity over time, and boasts a service life far exceeding that of standard materials.

2. High Load-Bearing Capacity
Multi-leaf heavy-duty models are ideal for mining and construction transport; few-leaf variable-section models offer lightweight benefits, fuel efficiency, and regulatory compliance for standard highway loads. Both types provide excellent shock absorption, protecting both cargo and the vehicle chassis.

3. Broad Compatibility
Customizable arc height, leaf count, and eyelet dimensions. Compatible with a full range of trailer types, including semi-trailers, stake trailers, dump trailers, and container trailers. Precision matching ensures a perfect fit during installation.

4. Reliable Quality Control
Finished products undergo fatigue testing, non-destructive testing (NDT), and salt spray testing. Uniform factory specifications ensure high consistency, reducing long-term maintenance and replacement costs while lowering vehicle failure rates.

5. Flexible Supply
Ample stock available for large-scale OEM supply or smaller replenishment orders. Non-standard customization is supported to meet the diverse procurement needs of trailer manufacturers, fleet operators, and auto parts distributors.

Our trailer leaf springs are manufactured from high-quality 60Si2Mn alloy spring steel and undergo heat treatment processes—including quenching, tempering, and shot peening—to ensure superior fatigue and deformation resistance. They are highly durable under heavy loads, resistant to breakage, exhibit minimal elasticity loss, and offer an extended service life. Our product range includes both multi-leaf heavy-duty springs and lightweight, variable-section (tapered) springs, suitable for diverse applications ranging from heavy-duty mining operations to standard highway transport, all providing excellent shock absorption. We offer a comprehensive range of specifications and support custom configurations for camber and eye dimensions; the symmetrical design ensures a precise fit during installation. Strict quality control is maintained throughout production, with finished products subjected to fatigue, flaw detection, and salt spray testing. The springs feature an anti-rust, baked-on finish for superior corrosion and wear resistance. Assemblies come complete with necessary fittings for direct installation. With ample stock available, we can meet both large-scale OEM requirements and smaller replenishment orders, ensuring compatibility with a wide variety of semi-trailer models.