UPN 140 vs UPE 140
Tapered flange
UPN 140
16.0 kg/m · 140 × 60 mm
Parallel flange
UPE 140
14.5 kg/m · 140 × 65 mm
16.0Mass G kg/m14.5
20.4Cross-section area A cm²18.4
605Moment of inertia Iy cm⁴600
63Moment of inertia Iz cm⁴79
86Section modulus Wel,y cm³86
103Section modulus Wpl,y cm³99
54.5Radius of gyration iy mm57.1
17.5Radius of gyration iz mm20.7
5.7Torsion constant It cm⁴4.0
1.8Warping constant Iw ×10³ cm⁶2.2
Bar length is the ratio to the higher value in the row.
Summary
4 %
higher plastic resistance
Per kilogram of steel UPE 140 is the more efficient bending section, by 9 %.
9 %
lighter per metre
Plus 26 % more on the weak axis.