HEA 300 vs HEB 300
- HEA 300 is 25 % lighter than HEB 300 (88.3 vs 117.0 kg/m).
- HEB 300 has 38 % higher strong-axis stiffness Iy.
- HEB 300 has 36 % higher weak-axis stiffness Iz, which governs columns and lateral stability.
- HEB 300 has 35 % higher plastic bending resistance (Wpl,y).
- Per kilogram of steel, HEB 300 is the more efficient bending section (Iy/G: 215 vs 207 cm⁴ per kg/m).
| Property | HEA 300 | HEB 300 |
|---|---|---|
| Height h [mm] | 290 | 300 |
| Flange width b [mm] | 300 | 300 |
| Web thickness tw [mm] | 8.5 | 11.0 |
| Flange thickness tf [mm] | 14.0 | 19.0 |
| Area A [cm²] | 112.5 | 149.1 |
| Mass G [kg/m] | 88.3 | 117.0 |
| Moment of inertia Iy [cm⁴] | 18 260 | 25 170 |
| Elastic modulus Wel,y [cm³] | 1 260 | 1 678 |
| Plastic modulus Wpl,y [cm³] | 1 383 | 1 869 |
| Moment of inertia Iz [cm⁴] | 6 310 | 8 563 |
| Radius of gyration iy [mm] | 127.4 | 129.9 |
| Radius of gyration iz [mm] | 74.9 | 75.8 |
| Torsion constant It [cm⁴] | 84.2 | 187.4 |
| Warping constant Iw [×10³ cm⁶] | 1 174.7 | 1 651.0 |
Highlighted value = the favourable one (higher stiffness/modulus, lower mass). Full property sets on the profile pages.