UPN 240 vs UPE 240
Tapered flange
UPN 240
33.2 kg/m · 240 × 85 mm
Parallel flange
UPE 240
30.2 kg/m · 240 × 90 mm
33.2Mass G kg/m30.2
42.3Cross-section area A cm²38.5
3 600Moment of inertia Iy cm⁴3 599
248Moment of inertia Iz cm⁴311
300Section modulus Wel,y cm³300
358Section modulus Wpl,y cm³347
92.2Radius of gyration iy mm96.7
24.2Radius of gyration iz mm28.4
19.7Torsion constant It cm⁴15.1
22.1Warping constant Iw ×10³ cm⁶26.4
Bar length is the ratio to the higher value in the row.
Summary
3 %
higher plastic resistance
Per kilogram of steel UPE 240 is the more efficient bending section, by 9 %.
9 %
lighter per metre
Plus 25 % more on the weak axis.