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Trade press, 2016-10-25, 12:00 pm

E-mobility with lightweight chassis: Precision steel specialist from thyssenkrupp develops weight-reduced tubular designs

Lightweight chassis parts of steel for cost-efficient e-mobility. The axle beam made from high-strength HBS 800 steel cuts weight by 34%.

E-mobility is increasingly gaining in importance. Reducing part weight plays a key part in this, as it allows increased efficiency and conserves resources. Lightweighting with steel provides ideal solutions. thyssenkrupp Precision Steel in Hohenlimburg has now developed a new part for the chassis of electric vehicles.

In a collaborative project thyssenkrupp’s precision strip specialists have designed a super-light tubular structure using the high-strength steel HBS 800. This optimized chassis com-ponent uses less material, reducing part weight by over 34 percent. In addition, the innova-tive tubular part takes less time to manufacture and produces significantly less scrap. More-over, it can be produced using conventional methods.

The new chassis concept also includes modern tubular stabilizers made from manganese-boron steel. This innovative solution allows weight savings of 45 percent. A homogeneous microstructure and very close thickness tolerances make these parts suitable for high-frequency welding. Wall thickness can be varied to allow a further weight reduction. These new steel lightweighting solutions are being manufactured by a processing specialist for the automotive industry. This collaborative development is to be used in a project for the Asian market, where a particularly long-life electric model is to be introduced.

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thyssenkrupp Steel Europe AG

Kaiser-Wilhelm-Strasse 100

47166 Duisburg, Germany

+49 (0)203 52-0

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