The all-new high-temperature‑resistant, custom‑shaped suspension spring has entered mass production, compatible with heavy trucks and construction machinery.

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A domestic manufacturer of elastic components has launched a new generation of high‑temperature, fatigue‑resistant suspension springs, featuring dual material and structural optimizations to meet the demanding conditions of mining machinery and heavy‑duty freight trucks operating under prolonged heavy loads and elevated temperatures.

The new product is crafted from 52CrSiV high‑grade alloy spring steel and features a nano‑ceramic carburizing surface treatment, enabling it to operate reliably across a wide temperature range of –40°C to 320°C. Its optimized tapered helical structure reduces self‑weight by 12% at the same load capacity while improving shock‑absorption and cushioning performance by 30%. After 100,000 fatigue‑impact cycles, it shows no deformation or fracture, addressing the longstanding pain points of conventional springs—namely, rapid degradation under sustained heavy loads and failure due to high‑temperature corrosion.

This product line encompasses two major categories—compression springs and torsion bar springs—and offers rapid customization for non‑standard dimensions. It is now supplied in volume to several heavy‑truck OEMs, with procurement costs reduced by 27% compared to equivalent imported products.

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