HEA 650 vs HEB 650
189.7Mass G kg/m224.8
241.6Cross-section area A cm²286.3
175 200Moment of inertia Iy cm⁴210 600
11 720Moment of inertia Iz cm⁴13 980
5 474Section modulus Wel,y cm³6 480
6 136Section modulus Wpl,y cm³7 320
269.3Radius of gyration iy mm271.2
69.7Radius of gyration iz mm69.9
458.6Torsion constant It cm⁴752.0
10 915.0Warping constant Iw ×10³ cm⁶13 219.0
Bar length is the ratio to the higher value in the row.
Summary
16 %
lighter per metre
Per kilogram of steel both are equally efficient in bending, Iy/G differs by 1 %.
19 %
stiffer on the weak axis
Plus 20 % more on the strong axis and 19 % higher plastic resistance Wpl,y.