A portion of a casting made of ASTM A48, grade 20 gray cast iron has the shape shown in Fi...

A portion of a casting made of ASTM A48, grade 20 gray cast iron has the shape shown in Figure and is subjected to compressive force in line with the centroidal axis of the section. If the member is short and carries a load of 52000 lb, compute the stress in the section and the design factor.

Figure:

                                

                          FIGURE Short compression member for Problem.