Integral subframe

RobuSal®800 - Integral subframe

Salzgitter Flachstahl’s air-hardening steel grade RobuSal®800 was especially developed for the automotive industry. This grade meets customer demands for lighter construction, better operational strength and excellent crash behavior.

Given its remarkable characteristics, RobuSal®800 meets the latest requirements for automotive materials with regard to safety and lightweight construction potential:

  • Very good cold formability
  • High component strength produced by heat treatment
  • Excellent welding properties in the soft, as well as in the tempered state
  • Superior operational strength

RobuSal®800

RobuSal®800 meets customer demands for lighter construction, better operational strength and excellent crash behavior.

Foto von einem Integralträger aus RobuSal800

Hydroforming technology

Challenging components can be manufactured easily by hydroforming technology.

Foto von einem Werkzeug für Innenhochdruck-Umformung

Application: Integral subframe Mercedes Benz E-Class

RobuSal®800 is already demonstrating its enormous lightweight construction potential today in the integral subframe of the Mercedes-Benz E-Class:

This component supports the essential units of the vehicle front, such as the engine, transmission, front axle and steering.

In this case, the use of RobuSal®800 on the integral support enabled the thickness of the sheet metal and thereby the component weight to be reduced by 8 percent compared to the predecessor model.

Component:Integral subframe
Material:RobuSal®800
Thickness:Cold-rolled for tube sections: 1.35 mm to 2.50 mm
Cold-rolled for special parts: 1.30 mm to 1.50 mm
Coating:uncoated
Weight savings:    8 % per component compared to predecessor module

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