UPN 160 vs UPE 160
Tapered flange
UPN 160
18.8 kg/m · 160 × 65 mm
Parallel flange
UPE 160
17.0 kg/m · 160 × 70 mm
18.8Mass G kg/m17.0
24.0Cross-section area A cm²21.7
925Moment of inertia Iy cm⁴911
85Moment of inertia Iz cm⁴107
116Section modulus Wel,y cm³114
138Section modulus Wpl,y cm³132
62.1Radius of gyration iy mm64.8
18.9Radius of gyration iz mm22.2
7.4Torsion constant It cm⁴5.2
3.3Warping constant Iw ×10³ cm⁶4.0
Bar length is the ratio to the higher value in the row.
Summary
2 %
stiffer on the strong axis
Plus 5 % higher plastic resistance Wpl,y.
10 %
lighter per metre
Plus 25 % more on the weak axis.
Per kilogram of steel UPE 160 is the more efficient bending section, by 8 %.