High Strength Hot Rolled Steel Sheets For Automobiles

The rolls induce plastic deformation.

High strength hot rolled steel sheets for automobiles. Advanced high strength steels ahss are complex sophisticated materials with carefully selected chemical compositions and multiphase microstructures resulting from precisely controlled heating and cooling processes various strengthening mechanisms are employed to achieve a range of strength ductility toughness and fatigue properties. A problem in press forming s heet steels having tensile strength of 780mpa. These steel sheets can be an alternative to steels for hot stamping because of the high yield strength. Request pdf high strength hot rolled steel sheets for automobiles large weight reduction by application of high strength steels to underbody parts can be expected since relatively thick sheets.

High strength hot rolled steel sheets for automobiles manabu takahashi 1 osamu kawano 2 teruki hayashida 3 riki okamoto 4 hirokazu taniguchi 4 abstract large weight reduction by application of high strength steels to underbody parts can be expected since relatively thick sheets are now adopted. As the working takes place in temperatures below the rescrystallisation temperature strain hardening occurs. As an example a hot rolled steel product may have a yield strength of 235 mpa. Today s ahss for automotive.

Hot rolled high strength sheet steels have been applied to suspension parts in automobiles 6 for the weight reduction.