HEA 120 vs HEB 120
Light series
HEA 120
19.9 kg/m · 114 × 120 mm
Standard series
HEB 120
26.7 kg/m · 120 × 120 mm
19.9Mass G kg/m26.7
25.3Cross-section area A cm²34.0
606Moment of inertia Iy cm⁴864
231Moment of inertia Iz cm⁴318
106Section modulus Wel,y cm³144
120Section modulus Wpl,y cm³165
48.9Radius of gyration iy mm50.4
30.2Radius of gyration iz mm30.6
6.0Torsion constant It cm⁴13.9
6.3Warping constant Iw ×10³ cm⁶9.1
Bar length is the ratio to the higher value in the row.
Summary
25 %
lighter per metre
Per kilogram of steel HEB 120 is the more efficient bending section, by 6 %.
38 %
stiffer on the weak axis
Plus 43 % more on the strong axis and 38 % higher plastic resistance Wpl,y.