W21x122
Wide flange from AISC Shapes Database v16.0. Also designated W530X182.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 551 mm | 21.7 in |
| Flange width, b_f | 315 mm | 12.4 in |
| Web thickness, t_w | 15.2 mm | 0.6 in |
| Flange thickness, t_f | 24.4 mm | 0.96 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 1.23000e+9 mm⁴ | 2,960 in⁴ |
| Elastic modulus, Sₓ | 4,470,000 mm³ | 273 in³ |
| Plastic modulus, Zₓ | 5,030,000 mm³ | 307 in³ |
| Radius of gyration, rₓ | 231 mm | 9.09 in |
| Distance to top fibre | 275.5 mm | 10.85 in |
| Distance to bottom fibre | 275.5 mm | 10.85 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 127,000,000 mm⁴ | 305 in⁴ |
| Elastic modulus, S_y | 806,000 mm³ | 49.2 in³ |
| Plastic modulus, Z_y | 1,240,000 mm³ | 75.6 in³ |
| Radius of gyration, r_y | 74.2 mm | 2.92 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 3,740,000 mm⁴ | 8.98 in⁴ |
| Warping constant, C_w | 8.78000e+12 mm⁶ | 32,700 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 182 kg/m | 122 lb/ft |