IPE 140 vs IPN 140
Parallel flange
IPE 140
12.9 kg/m · 140 × 73 mm
Tapered flange
IPN 140
14.3 kg/m · 140 × 66 mm
12.9Mass G kg/m14.3
16.4Cross-section area A cm²18.2
541Moment of inertia Iy cm⁴573
45Moment of inertia Iz cm⁴35
77Section modulus Wel,y cm³82
88Section modulus Wpl,y cm³95
57.4Radius of gyration iy mm56.0
16.5Radius of gyration iz mm14.0
2.4Torsion constant It cm⁴4.3
2.0Warping constant Iw ×10³ cm⁶1.5
Bar length is the ratio to the higher value in the row.
Summary
10 %
lighter per metre
Plus 28 % more on the weak axis.
6 %
stiffer on the strong axis
Plus 8 % higher plastic resistance Wpl,y.
Per kilogram of steel IPE 140 is the more efficient bending section, by 4 %.