Development of hot rolled steel sheet with 600Â MPa UTS for automotive wheel application

► This new steel consists ferritic matrix with very fine size inter phase precipitates. ► It consists high level of strength, ductility, fatigue, hole expansion and weldability. ► It provided a new path of high strength steel development. ► Wheels made with this steel passed required cornering fatigue test (CFT). ► Wheels made with this steel also passed required radial fatigue test (RFT).