IPE 550 vs HEA 550
105.5Mass G kg/m166.2
134.4Cross-section area A cm²211.8
67 120Moment of inertia Iy cm⁴111 900
2 668Moment of inertia Iz cm⁴10 820
2 441Section modulus Wel,y cm³4 146
2 787Section modulus Wpl,y cm³4 622
223.5Radius of gyration iy mm229.9
44.5Radius of gyration iz mm71.5
121.7Torsion constant It cm⁴360.6
1 861.5Warping constant Iw ×10³ cm⁶7 103.1
Bar length is the ratio to the higher value in the row.
Summary
37 %
lighter per metre
Per kilogram of steel HEA 550 is the more efficient bending section, by 6 %.
4.1×
stiffer on the weak axis
Plus 67 % more on the strong axis and 66 % higher plastic resistance Wpl,y.