IPE 450 vs HEB 450
77.6Mass G kg/m171.1
98.8Cross-section area A cm²218.0
33 740Moment of inertia Iy cm⁴79 890
1 676Moment of inertia Iz cm⁴11 720
1 500Section modulus Wel,y cm³3 551
1 702Section modulus Wpl,y cm³3 982
184.8Radius of gyration iy mm191.4
41.2Radius of gyration iz mm73.3
66.0Torsion constant It cm⁴448.9
781.0Warping constant Iw ×10³ cm⁶5 177.7
Bar length is the ratio to the higher value in the row.
Summary
55 %
lighter per metre
Per kilogram of steel HEB 450 is the more efficient bending section, by 7 %.
7.0×
stiffer on the weak axis
Plus 137 % more on the strong axis and 134 % higher plastic resistance Wpl,y.