IPE 450 vs HEA 450
77.6Mass G kg/m139.8
98.8Cross-section area A cm²178.0
33 740Moment of inertia Iy cm⁴63 720
1 676Moment of inertia Iz cm⁴9 465
1 500Section modulus Wel,y cm³2 896
1 702Section modulus Wpl,y cm³3 216
184.8Radius of gyration iy mm189.2
41.2Radius of gyration iz mm72.9
66.0Torsion constant It cm⁴249.1
781.0Warping constant Iw ×10³ cm⁶4 087.2
Bar length is the ratio to the higher value in the row.
Summary
44 %
lighter per metre
Per kilogram of steel HEA 450 is the more efficient bending section, by 5 %.
5.6×
stiffer on the weak axis
Plus 89 % more on the strong axis and 89 % higher plastic resistance Wpl,y.