W21x275
Wide flange from AISC Shapes Database v16.0. Also designated W530X409.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 612 mm | 24.1 in |
| Flange width, b_f | 328 mm | 12.9 in |
| Web thickness, t_w | 31 mm | 1.22 in |
| Flange thickness, t_f | 55.6 mm | 2.19 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 3.20000e+9 mm⁴ | 7,690 in⁴ |
| Elastic modulus, Sₓ | 10,500,000 mm³ | 638 in³ |
| Plastic modulus, Zₓ | 12,300,000 mm³ | 749 in³ |
| Radius of gyration, rₓ | 246 mm | 9.7 in |
| Distance to top fibre | 306 mm | 12.05 in |
| Distance to bottom fibre | 306 mm | 12.05 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 328,000,000 mm⁴ | 787 in⁴ |
| Elastic modulus, S_y | 2,000,000 mm³ | 122 in³ |
| Plastic modulus, Z_y | 3,130,000 mm³ | 191 in³ |
| Radius of gyration, r_y | 78.7 mm | 3.1 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 44,500,000 mm⁴ | 107 in⁴ |
| Warping constant, C_w | 2.54000e+13 mm⁶ | 94,400 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 409 kg/m | 275 lb/ft |