IPE 550 vs IPN 550
105.5Mass G kg/m166.0
134.4Cross-section area A cm²212.0
67 120Moment of inertia Iy cm⁴99 180
2 668Moment of inertia Iz cm⁴3 490
2 441Section modulus Wel,y cm³3 610
2 787Section modulus Wpl,y cm³4 240
223.5Radius of gyration iy mm216.0
44.5Radius of gyration iz mm40.6
121.7Torsion constant It cm⁴544.0
1 861.5Warping constant Iw ×10³ cm⁶2 390.0
Bar length is the ratio to the higher value in the row.
Summary
36 %
lighter per metre
Per kilogram of steel IPE 550 is the more efficient bending section, by 6 %.
31 %
stiffer on the weak axis
Plus 48 % more on the strong axis and 52 % higher plastic resistance Wpl,y.