Hot-stamped body sill elements
Hot-stamped rocker panels and side floor beams are key components that provide underbody protection and structural rigidity to modern vehicles.
Description
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Product Description
Hot-stamped rocker panels and side floor beams are key components that provide underbody protection and structural rigidity to modern vehicles. The manufacturing technology is based on the principles of hot stamping: ultra-high-strength boron steel is used as the starting material, which is subjected to high-temperature austenitization to change the structure of the material, then rapid forming is performed in a special die with simultaneous hardening to form a stable martensitic structure. Basic process operations include forming, hardening, calibration, hole making and quality control. The finished product has high strength uniformity and dimensional stability, and is widely used in sills and side floor beams of various passenger cars, providing a significant contribution to body torsional rigidity and side impact safety.
Main Features
1. Ultra-high strength: tensile strength ≥ 1500MPa, which effectively enhances the impact resistance and deformation resistance of the lower body.
2. Optimized cross-section design: Closed cross-section design greatly improves body torsional rigidity and improves vehicle handling.
3. High precision forming: Hot forming technology for complex profiles guarantees dimensional stability and meets the requirements of welding and body assembly.
4. Excellent corrosion resistance: Aluminum-silicon coating can be applied in the hot forming process, which improves the long-term corrosion resistance of finished parts.
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