IPE 120 vs HEA 120
Parallel flange
IPE 120
10.4 kg/m · 120 × 64 mm
Light series
HEA 120
19.9 kg/m · 114 × 120 mm
10.4Mass G kg/m19.9
13.2Cross-section area A cm²25.3
318Moment of inertia Iy cm⁴606
28Moment of inertia Iz cm⁴231
53Section modulus Wel,y cm³106
61Section modulus Wpl,y cm³120
49.0Radius of gyration iy mm48.9
14.5Radius of gyration iz mm30.2
1.7Torsion constant It cm⁴6.0
0.9Warping constant Iw ×10³ cm⁶6.3
Bar length is the ratio to the higher value in the row.
Summary
48 %
lighter per metre
Per kilogram of steel both are equally efficient in bending, Iy/G differs by 0 %.
8.3×
stiffer on the weak axis
Plus 91 % more on the strong axis and 97 % higher plastic resistance Wpl,y.