HEA 550 vs HEB 550
166.2Mass G kg/m199.4
211.8Cross-section area A cm²254.1
111 900Moment of inertia Iy cm⁴136 700
10 820Moment of inertia Iz cm⁴13 080
4 146Section modulus Wel,y cm³4 971
4 622Section modulus Wpl,y cm³5 591
229.9Radius of gyration iy mm232.0
71.5Radius of gyration iz mm71.7
360.6Torsion constant It cm⁴612.3
7 103.1Warping constant Iw ×10³ cm⁶8 743.9
Bar length is the ratio to the higher value in the row.
Summary
17 %
lighter per metre
Per kilogram of steel both are equally efficient in bending, Iy/G differs by 2 %.
21 %
stiffer on the weak axis
Plus 22 % more on the strong axis and 21 % higher plastic resistance Wpl,y.