HEA 400 vs HEB 400
124.8Mass G kg/m155.3
159.0Cross-section area A cm²197.8
45 070Moment of inertia Iy cm⁴57 680
8 564Moment of inertia Iz cm⁴10 820
2 311Section modulus Wel,y cm³2 884
2 562Section modulus Wpl,y cm³3 232
168.4Radius of gyration iy mm170.8
73.4Radius of gyration iz mm74.0
191.4Torsion constant It cm⁴361.1
2 893.6Warping constant Iw ×10³ cm⁶3 751.1
Bar length is the ratio to the higher value in the row.
Summary
20 %
lighter per metre
Per kilogram of steel both are equally efficient in bending, Iy/G differs by 3 %.
26 %
stiffer on the weak axis
Plus 28 % more on the strong axis and 26 % higher plastic resistance Wpl,y.