IPE 240 vs IPN 240
Parallel flange
IPE 240
30.7 kg/m · 240 × 120 mm
Tapered flange
IPN 240
36.2 kg/m · 240 × 106 mm
30.7Mass G kg/m36.2
39.1Cross-section area A cm²46.1
3 892Moment of inertia Iy cm⁴4 250
284Moment of inertia Iz cm⁴221
324Section modulus Wel,y cm³354
367Section modulus Wpl,y cm³412
99.7Radius of gyration iy mm95.9
26.9Radius of gyration iz mm21.9
12.7Torsion constant It cm⁴25.0
36.7Warping constant Iw ×10³ cm⁶28.7
Bar length is the ratio to the higher value in the row.
Summary
15 %
lighter per metre
Plus 28 % more on the weak axis.
9 %
stiffer on the strong axis
Plus 12 % higher plastic resistance Wpl,y.
Per kilogram of steel IPE 240 is the more efficient bending section, by 7 %.