IPE 550 vs HEB 550
105.5Mass G kg/m199.4
134.4Cross-section area A cm²254.1
67 120Moment of inertia Iy cm⁴136 700
2 668Moment of inertia Iz cm⁴13 080
2 441Section modulus Wel,y cm³4 971
2 787Section modulus Wpl,y cm³5 591
223.5Radius of gyration iy mm232.0
44.5Radius of gyration iz mm71.7
121.7Torsion constant It cm⁴612.3
1 861.5Warping constant Iw ×10³ cm⁶8 743.9
Bar length is the ratio to the higher value in the row.
Summary
47 %
lighter per metre
Per kilogram of steel HEB 550 is the more efficient bending section, by 7 %.
4.9×
stiffer on the weak axis
Plus 104 % more on the strong axis and 101 % higher plastic resistance Wpl,y.