UPN 200 vs UPE 200
Tapered flange
UPN 200
25.3 kg/m · 200 × 75 mm
Parallel flange
UPE 200
22.8 kg/m · 200 × 80 mm
25.3Mass G kg/m22.8
32.2Cross-section area A cm²29.0
1 910Moment of inertia Iy cm⁴1 909
148Moment of inertia Iz cm⁴187
191Section modulus Wel,y cm³191
228Section modulus Wpl,y cm³220
77.0Radius of gyration iy mm81.1
21.4Radius of gyration iz mm25.4
11.9Torsion constant It cm⁴8.9
9.1Warping constant Iw ×10³ cm⁶11.0
Bar length is the ratio to the higher value in the row.
Summary
4 %
higher plastic resistance
Per kilogram of steel UPE 200 is the more efficient bending section, by 10 %.
10 %
lighter per metre
Plus 27 % more on the weak axis.