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

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.