W21x57
Wide flange from AISC Shapes Database v16.0. Also designated W530X85.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 536 mm | 21.1 in |
| Flange width, b_f | 167 mm | 6.56 in |
| Web thickness, t_w | 10.3 mm | 0.405 in |
| Flange thickness, t_f | 16.5 mm | 0.65 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 487,000,000 mm⁴ | 1,170 in⁴ |
| Elastic modulus, Sₓ | 1,820,000 mm³ | 111 in³ |
| Plastic modulus, Zₓ | 2,110,000 mm³ | 129 in³ |
| Radius of gyration, rₓ | 212 mm | 8.36 in |
| Distance to top fibre | 268 mm | 10.55 in |
| Distance to bottom fibre | 268 mm | 10.55 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 12,700,000 mm⁴ | 30.6 in⁴ |
| Elastic modulus, S_y | 153,000 mm³ | 9.35 in³ |
| Plastic modulus, Z_y | 243,000 mm³ | 14.8 in³ |
| Radius of gyration, r_y | 34.3 mm | 1.35 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 737,000 mm⁴ | 1.77 in⁴ |
| Warping constant, C_w | 8.57000e+11 mm⁶ | 3,190 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 85 kg/m | 57 lb/ft |