B-Säule für ein Kraftfahrzeug

摘要

B-column (1a) comprises a steel profile (2). The profile (2) has a first longitudinal section (3) with a predominantly martensitic material structure and a strength above 1400 N/mm2 and a second longitudinal section (4) of higher ductility with a predominantly ferritic-perlitic material structure and a strength below 850 N/mm2.