IPE 100 vs HEA 100
Parallel flange
IPE 100
8.1 kg/m · 100 × 55 mm
Light series
HEA 100
16.7 kg/m · 96 × 100 mm
8.1Mass G kg/m16.7
10.3Cross-section area A cm²21.2
171Moment of inertia Iy cm⁴349
16Moment of inertia Iz cm⁴134
34Section modulus Wel,y cm³73
39Section modulus Wpl,y cm³83
40.7Radius of gyration iy mm40.6
12.4Radius of gyration iz mm25.1
1.2Torsion constant It cm⁴5.2
0.3Warping constant Iw ×10³ cm⁶2.5
Bar length is the ratio to the higher value in the row.
Summary
51 %
lighter per metre
Per kilogram of steel both are equally efficient in bending, Iy/G differs by 1 %.
8.4×
stiffer on the weak axis
Plus 104 % more on the strong axis and 111 % higher plastic resistance Wpl,y.