1 , VHSS 2 and UHSS 3 Steels in the Body in White: A Panorama of the Latest European Vehicles, State of Art and Perspectives "/> 1 , VHSS 2 and UHSS 3 Steels in the Body in White: A Panorama of the Latest European Vehicles, State of Art and Perspectives " />
Browse Publications Technical Papers 2002-01-2049
2002-07-09

Use of HSS 1 , VHSS 2 and UHSS 3 Steels in the Body in White: A Panorama of the Latest European Vehicles, State of Art and Perspectives 2002-01-2049

The drive for improved safety and reduced fuel consumption has been changing drastically the requirement of materials in car structures and body. To follow these demands, steel manufacturers have designed and industrialized new high technology steels with different objectives:
  • For closures, BH steels are now widely used and new qualities such as DP steels or sandwich steels will allow mass reduction up to 40% while keeping equivalent part properties
  • For energy absorption relevant parts, while the requirements are being severed, use of new steels such as rephosphorized and dual phase allow already mass reduction of over 20% as compared as 10 years ago. New industrialized TRIP steels will allow carmaker to reduce further their parts weight.
  • Anti intrusion parts benefit from combined new steel/processing technologies -such as roll forming of very high yield steels or hot forming of boron steels- to reach over 60% weight reduction compared to the situation in 1990.
In the mean time, simulation and conception continue to improve and will yield to better use of steel therefore safer and more fuel-efficient cars.

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