Metal structural parts for automobiles, namely, radiator core supports, hoodledges, front side members, rear side members, door impact beams, instrument panel mountings, front cross members, center cross members, rear cross members, inner sills, dash lower cross supports, suspension mountings, [engine mountings,] rear seat back mountings, inner structures for B pillars, door slide rail mountings, for inner waist stampings, [door hinge reinforcements,] partial shelf structures, various small reinforcements and brackets, all of which are parts that are custom designed to be incorporated into automobiles during the manufacturing process and have no uses independent of such automotive manufacturing