W21x73
Wide flange from AISC Shapes Database v16.0. Also designated W530X109.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 538 mm | 21.2 in |
| Flange width, b_f | 211 mm | 8.3 in |
| Web thickness, t_w | 11.6 mm | 0.455 in |
| Flange thickness, t_f | 18.8 mm | 0.74 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 666,000,000 mm⁴ | 1,600 in⁴ |
| Elastic modulus, Sₓ | 2,470,000 mm³ | 151 in³ |
| Plastic modulus, Zₓ | 2,820,000 mm³ | 172 in³ |
| Radius of gyration, rₓ | 219 mm | 8.64 in |
| Distance to top fibre | 269 mm | 10.6 in |
| Distance to bottom fibre | 269 mm | 10.6 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 29,400,000 mm⁴ | 70.6 in⁴ |
| Elastic modulus, S_y | 279,000 mm³ | 17 in³ |
| Plastic modulus, Z_y | 436,000 mm³ | 26.6 in³ |
| Radius of gyration, r_y | 46 mm | 1.81 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1,260,000 mm⁴ | 3.02 in⁴ |
| Warping constant, C_w | 1.99000e+12 mm⁶ | 7,410 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 109 kg/m | 73 lb/ft |