IPE 180 vs HEB 180
Parallel flange
IPE 180
18.8 kg/m · 180 × 91 mm
Standard series
HEB 180
51.2 kg/m · 180 × 180 mm
18.8Mass G kg/m51.2
23.9Cross-section area A cm²65.3
1 317Moment of inertia Iy cm⁴3 831
101Moment of inertia Iz cm⁴1 363
146Section modulus Wel,y cm³426
166Section modulus Wpl,y cm³481
74.2Radius of gyration iy mm76.6
20.5Radius of gyration iz mm45.7
4.7Torsion constant It cm⁴42.2
7.3Warping constant Iw ×10³ cm⁶91.7
Bar length is the ratio to the higher value in the row.
Summary
63 %
lighter per metre
Per kilogram of steel HEB 180 is the more efficient bending section, by 6 %.
13.5×
stiffer on the weak axis
Plus 191 % more on the strong axis and 189 % higher plastic resistance Wpl,y.