IPE 240 vs HEA 240
Parallel flange
IPE 240
30.7 kg/m · 240 × 120 mm
vsLight series
HEA 240
60.3 kg/m · 230 × 240 mm
30.7Mass G kg/m60.3
39.1Cross-section area A cm²76.8
3 892Moment of inertia Iy cm⁴7 763
284Moment of inertia Iz cm⁴2 769
324Section modulus Wel,y cm³675
367Section modulus Wpl,y cm³745
99.7Radius of gyration iy mm100.5
26.9Radius of gyration iz mm60.0
12.7Torsion constant It cm⁴41.0
36.7Warping constant Iw ×10³ cm⁶321.6
Bar length is the ratio to the higher value in the row.
Summary
49 %
lighter per metre
Per kilogram of steel both are equally efficient in bending, Iy/G differs by 2 %.
9.8×
stiffer on the weak axis
Plus 99 % more on the strong axis and 103 % higher plastic resistance Wpl,y.