W40x278
Wide flange from AISC Shapes Database v16.0. Also designated W1000X415.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 1,020 mm | 40.2 in |
| Flange width, b_f | 305 mm | 12 in |
| Web thickness, t_w | 26.2 mm | 1.03 in |
| Flange thickness, t_f | 46 mm | 1.81 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 8.53000e+9 mm⁴ | 20,500 in⁴ |
| Elastic modulus, Sₓ | 16,700,000 mm³ | 1,020 in³ |
| Plastic modulus, Zₓ | 19,500,000 mm³ | 1,190 in³ |
| Radius of gyration, rₓ | 401 mm | 15.8 in |
| Distance to top fibre | 510 mm | 20.1 in |
| Distance to bottom fibre | 510 mm | 20.1 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 217,000,000 mm⁴ | 521 in⁴ |
| Elastic modulus, S_y | 1,430,000 mm³ | 87.1 in³ |
| Plastic modulus, Z_y | 2,290,000 mm³ | 140 in³ |
| Radius of gyration, r_y | 64 mm | 2.52 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 27,100,000 mm⁴ | 65 in⁴ |
| Warping constant, C_w | 5.16000e+13 mm⁶ | 192,000 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 415 kg/m | 278 lb/ft |