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Longitudinal beam

Tailor Welded Blanks out of dual-phase steel in longitudinal beams

Steels are increasingly utilized in new vehicle generations, which require both high strength and good formability. Dual-phase steels meet this objective particularly well.

Thanks to a component-appropriate design and a reduction of the material thickness, this new generation of materials makes considerable contributions to lightweight automotive engineering and construction.

Foto von einem Kotflügel aus Dualphasen-Stahl

Dual-phase steel

Dual phase steels feature comparatively low yield strengths and are consequently easy to form. Due to their extremely high work hardening level, they are particularly suitable for use in crash-relevant components. » more

Tailor welded blanks are innovative products for use in lightweight construction. The thin steel sheets required here can be used in different steel grades with different thicknesses and surface coatings.

For automotive manufacturers, the key advantage of tailor welded blanks comes in the form of simple processing in the stamping plant.

Foto von einem Tailored Welded Blank

Tailor Welded Blanks

Tailor welded blanks are used to substitute reinforcements under simple or medium forming conditions. » more


Application: cost-efficient lightweight design with steel

Longitudinal beams are complex-shaped components. One of their key functions is the dissipation of crash energy. By choosing the right material and the right sheet thickness in the right place, vehicle weight can be reduced. 

Dual phase steel is a material that is predominantly used in longitudinal beams. Tailor Welded Blanks made from dual-phase steel are deployed where crash safety, weight savings, the highest component quality or a reduction in the number of production steps are required.

Photo of a longitudinal beam

Component: Longitudinal beam, front, lower right, interior 

Materials: CR300LA-GI (2.25 mm) / HX340LAD+Z & CR330Y590T-DP-GI (2.50 mm) / HCT600XD+Z 

Customer Benefits:

  • 15% higher strength in the TWB compared to mono blanks
  • Functional enhancement through specially adapted materials and thicknesses
  • Reduced CO2 emissions resulting from lightweight construction
  • Cross-model use

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