UPN 220 vs UPE 220
Tapered flange
UPN 220
29.4 kg/m · 220 × 80 mm
Parallel flange
UPE 220
26.6 kg/m · 220 × 85 mm
29.4Mass G kg/m26.6
37.4Cross-section area A cm²33.9
2 690Moment of inertia Iy cm⁴2 682
197Moment of inertia Iz cm⁴246
245Section modulus Wel,y cm³244
292Section modulus Wpl,y cm³282
84.8Radius of gyration iy mm89.0
23.0Radius of gyration iz mm27.0
16.0Torsion constant It cm⁴12.1
14.6Warping constant Iw ×10³ cm⁶17.6
Bar length is the ratio to the higher value in the row.
Summary
4 %
higher plastic resistance
Per kilogram of steel UPE 220 is the more efficient bending section, by 9 %.
10 %
lighter per metre
Plus 25 % more on the weak axis.