Another technique is press forming, while enables a wider variety of parts to be made. In addition, current high tensile steels are prone to delayed cracking beyond 120 kilograms, while users are requiring ever increasing levels of tensile strength. Kobe Steel resolved these problems by adjusting the alloy mix and utilizing its annealing process with quick quenching. As automobile manufacturers strive to make lighter cars, Kobe Steel continues to make inroads in materials development and has grown to become synonymous with high tensile steel. Characteristics of 150 kilogram-class high tensile steel 1.
Press forming enables the manufacture of parts of many different shapes.
Low element design contributes to good weldability. Door impact beams can be made in one piece, thereby reducing the number of parts.