High Strength Hot Rolled Steel Sheets For Automobiles

Thus the yield strength of cold rolled steel is higher than that of hot rolled steel.

High strength hot rolled steel sheets for automobiles.

The rolls induce plastic deformation. A problem in press forming s heet steels having tensile strength of 780mpa. Today s ahss for automotive. Hot rolled high strength sheet steels have been applied to suspension parts in automobiles 6 for the weight reduction.

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. As the working takes place in temperatures below the rescrystallisation temperature strain hardening occurs. 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 an example a hot rolled steel product may have a yield strength of 235 mpa.