HE 320 C
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 | 340 mm | 13.3858 in |
| Flange width, b_f | 305 mm | 12.0079 in |
| Web thickness, t_w | 16 mm | 0.629921 in |
| Flange thickness, t_f | 30.5 mm | 1.2008 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 487,000,000 mm⁴ | 1,170.022 in⁴ |
| Elastic modulus, Sₓ | 2,860,000 mm³ | 174.5279 in³ |
| Plastic modulus, Zₓ | 3,270,000 mm³ | 199.5476 in³ |
| Radius of gyration, rₓ | 143 mm | 5.6299 in |
| Distance to top fibre | 170 mm | 6.6929 in |
| Distance to bottom fibre | 170 mm | 6.6929 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 144,000,000 mm⁴ | 345.9614 in⁴ |
| Elastic modulus, S_y | 947,000 mm³ | 57.7895 in³ |
| Plastic modulus, Z_y | 1,440,000 mm³ | 87.8742 in³ |
| Radius of gyration, r_y | 78.1 mm | 3.0748 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 6,880,000 mm⁴ | 16.5293 in⁴ |
| Warping constant, C_w | 3.45000e+12 mm⁶ | 12,847.446 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 186 kg/m | 124.9862 lb/ft |