S700MC is a strong candidate for replacing conventional microalloyed steels in lightweight truck frames, primarily due to its exceptionally high yield strength. With a guaranteed minimum yield strength exceeding 700 MPa, S700MC allows for significant thickness reduction while maintaining structural performance and safety. This directly enables weight savings, a critical factor in truck frame design.
ArcelorMittal’s Trailtech analysis compared an S700MC-based chassis to a conventional European reference chassis weighing approximately 2.4 tonnes and made from S275JR steel. The results demonstrated the potential for substantial weight reduction without compromising load-bearing capacity. Furthermore, S700MC possesses a fine grain structure and low carbon content, which contribute to good weldability and toughness—essential properties for frame manufacturing. It is available in thicknesses from 2 to 12.7 mm, covering typical frame requirements. While the transition requires validation of welding and forming processes, the material’s mechanical profile makes it a viable and advantageous substitute for conventional grades in weight-sensitive commercial vehicle applications.
Just like you, 70% customers choose long-term cooperation with BBN steel not only for our good product and service quality, good reputation in the international market, but also for our experienced one-stop raw material supply and further steel processing!
