HE 300 AA
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 | 283 mm | 11.1417 in |
| Flange width, b_f | 300 mm | 11.811 in |
| Web thickness, t_w | 7.5 mm | 0.295276 in |
| Flange thickness, t_f | 10.5 mm | 0.413386 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 138,000,000 mm⁴ | 331.5463 in⁴ |
| Elastic modulus, Sₓ | 976,000 mm³ | 59.5592 in³ |
| Plastic modulus, Zₓ | 1,060,000 mm³ | 64.6852 in³ |
| Radius of gyration, rₓ | 125 mm | 4.9213 in |
| Distance to top fibre | 141.5 mm | 5.5709 in |
| Distance to bottom fibre | 141.5 mm | 5.5709 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 47,300,000 mm⁴ | 113.6387 in⁴ |
| Elastic modulus, S_y | 316,000 mm³ | 19.2835 in³ |
| Plastic modulus, Z_y | 482,000 mm³ | 29.4134 in³ |
| Radius of gyration, r_y | 73 mm | 2.874 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 478,000 mm⁴ | 1.1484 in⁴ |
| Warping constant, C_w | 8.77000e+11 mm⁶ | 3,265.858 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 69.8 kg/m | 46.9034 lb/ft |