Table 6: Cross-sectional properties of steel members.

Member numberMember designationCross-sectional area
(mm2)
Moment of inertia
(×106 mm4)
Plastic section modulus
(×103 mm3)

1W310 × 20225,7005163,507
2W310 × 15820,1003882,687
3HSS203 × 203 × 85,65035.7412

A36 steel ( MPa,  GPa).
A500 Grade B steel ( MPa,  GPa).