W21x50
Wide flange from AISC Shapes Database v16.0. Also designated W530X74.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 528 mm | 20.8 in |
| Flange width, b_f | 166 mm | 6.53 in |
| Web thickness, t_w | 9.65 mm | 0.38 in |
| Flange thickness, t_f | 13.6 mm | 0.535 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 410,000,000 mm⁴ | 984 in⁴ |
| Elastic modulus, Sₓ | 1,550,000 mm³ | 94.5 in³ |
| Plastic modulus, Zₓ | 1,800,000 mm³ | 110 in³ |
| Radius of gyration, rₓ | 208 mm | 8.18 in |
| Distance to top fibre | 264 mm | 10.4 in |
| Distance to bottom fibre | 264 mm | 10.4 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 10,400,000 mm⁴ | 24.9 in⁴ |
| Elastic modulus, S_y | 125,000 mm³ | 7.64 in³ |
| Plastic modulus, Z_y | 200,000 mm³ | 12.2 in³ |
| Radius of gyration, r_y | 33 mm | 1.3 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 475,000 mm⁴ | 1.14 in⁴ |
| Warping constant, C_w | 6.90000e+11 mm⁶ | 2,570 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 74 kg/m | 50 lb/ft |