HEA 900 vs HEB 900
251.6Mass G kg/m291.5
320.5Cross-section area A cm²371.3
422 100Moment of inertia Iy cm⁴494 100
13 550Moment of inertia Iz cm⁴15 820
9 485Section modulus Wel,y cm³10 980
10 810Section modulus Wpl,y cm³12 580
362.9Radius of gyration iy mm364.8
65.0Radius of gyration iz mm65.3
751.0Torsion constant It cm⁴1 154.0
24 748.0Warping constant Iw ×10³ cm⁶29 196.0
Bar length is the ratio to the higher value in the row.
Summary
14 %
lighter per metre
Per kilogram of steel both are equally efficient in bending, Iy/G differs by 1 %.
17 %
stiffer on the weak axis
Plus 17 % more on the strong axis and 16 % higher plastic resistance Wpl,y.