HEA 180 vs HEB 180
Light series
HEA 180
35.5 kg/m · 171 × 180 mm
Standard series
HEB 180
51.2 kg/m · 180 × 180 mm
35.5Mass G kg/m51.2
45.3Cross-section area A cm²65.3
2 510Moment of inertia Iy cm⁴3 831
925Moment of inertia Iz cm⁴1 363
294Section modulus Wel,y cm³426
325Section modulus Wpl,y cm³481
74.5Radius of gyration iy mm76.6
45.2Radius of gyration iz mm45.7
14.7Torsion constant It cm⁴42.2
59.0Warping constant Iw ×10³ cm⁶91.7
Bar length is the ratio to the higher value in the row.
Summary
31 %
lighter per metre
Per kilogram of steel HEB 180 is the more efficient bending section, by 6 %.
47 %
stiffer on the weak axis
Plus 53 % more on the strong axis and 48 % higher plastic resistance Wpl,y.