HE 300 A
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 | 290 mm | 11.4173 in |
| Flange width, b_f | 300 mm | 11.811 in |
| Web thickness, t_w | 8.5 mm | 0.334646 in |
| Flange thickness, t_f | 14 mm | 0.551181 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 183,000,000 mm⁴ | 439.6593 in⁴ |
| Elastic modulus, Sₓ | 1,260,000 mm³ | 76.8899 in³ |
| Plastic modulus, Zₓ | 1,380,000 mm³ | 84.2128 in³ |
| Radius of gyration, rₓ | 127 mm | 5 in |
| Distance to top fibre | 145 mm | 5.7087 in |
| Distance to bottom fibre | 145 mm | 5.7087 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 63,100,000 mm⁴ | 151.5984 in⁴ |
| Elastic modulus, S_y | 421,000 mm³ | 25.691 in³ |
| Plastic modulus, Z_y | 641,000 mm³ | 39.1162 in³ |
| Radius of gyration, r_y | 74.9 mm | 2.9488 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 878,000 mm⁴ | 2.1094 in⁴ |
| Warping constant, C_w | 1.20000e+12 mm⁶ | 4,468.677 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 88.3 kg/m | 59.3349 lb/ft |