HE 300 B
HE wide flange sections from Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 300 mm | 11.811 in |
| Flange width, b_f | 300 mm | 11.811 in |
| Web thickness, t_w | 11 mm | 0.433071 in |
| Flange thickness, t_f | 19 mm | 0.748031 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 252,000,000 mm⁴ | 605.4324 in⁴ |
| Elastic modulus, Sₓ | 1,680,000 mm³ | 102.5199 in³ |
| Plastic modulus, Zₓ | 1,870,000 mm³ | 114.1144 in³ |
| Radius of gyration, rₓ | 130 mm | 5.1181 in |
| Distance to top fibre | 150 mm | 5.9055 in |
| Distance to bottom fibre | 150 mm | 5.9055 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 85,600,000 mm⁴ | 205.6548 in⁴ |
| Elastic modulus, S_y | 571,000 mm³ | 34.8446 in³ |
| Plastic modulus, Z_y | 870,000 mm³ | 53.0907 in³ |
| Radius of gyration, r_y | 75.8 mm | 2.9843 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1,890,000 mm⁴ | 4.5407 in⁴ |
| Warping constant, C_w | 1.69000e+12 mm⁶ | 6,293.387 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 117 kg/m | 78.6204 lb/ft |