Integrated Steel-Aluminum Hybrid Floor Pan

Product Highlights

1) Lightweight Construction
Through synergistic design of dissimilar materials and CAE‑optimized structural transitions in the material‑transition zones, key load‑bearing areas utilize high‑strength steels (such as hot‑stamped and ultra‑high‑strength steels), delivering a 30%–50% strength improvement over conventional steel. Non‑load‑bearing areas employ low‑density aluminum alloys, achieving a 15%–20% weight reduction.

2) Superior Joining Performance
To address the welding challenges of steel‑aluminum dissimilar metals, we employ innovative joining processes and a multi‑technology fusion approach. By selecting the appropriate joining technology based on material type and body location, we significantly improve the joint strength of steel‑aluminum hybrid bodies while reducing overall weight.

3) High Corrosion Resistance
Steel components are hot‑dip galvanized, while aluminum parts undergo anodizing, forming a dual anti‑corrosion barrier. This proven combination delivers salt spray resistance exceeding 1,000 hours, extending service life by 20%–30% over conventional floor structures.

4) Shortened Manufacturing Lead Time
Employing multiple manufacturing processes reduces the number of parts and processing steps. Compared with conventional stamping and welding methods, the production cycle is shortened by approximately 50%, resulting in a significant improvement in overall manufacturing efficiency.