C180×18
Channels from CISC Structural Section Tables SST12.1.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 178 mm | 7.0079 in |
| Flange width, b_f | 55 mm | 2.1654 in |
| Web thickness, t_w | 8 mm | 0.314961 in |
| Flange thickness, t_f | 9.3 mm | 0.366142 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 10,000,000 mm⁴ | 24.0251 in⁴ |
| Elastic modulus, Sₓ | 113,000 mm³ | 6.8957 in³ |
| Radius of gyration, rₓ | 65.9 mm | 2.5945 in |
| Distance to top fibre | 89 mm | 3.5039 in |
| Distance to bottom fibre | 89 mm | 3.5039 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 476,000 mm⁴ | 1.1436 in⁴ |
| Elastic modulus, S_y | 11,400 mm³ | 0.695671 in³ |
| Radius of gyration, r_y | 14.3 mm | 0.562992 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 66,800 mm⁴ | 0.160488 in⁴ |
| Warping constant, C_w | 2.90000e+9 mm⁶ | 10.7993 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 18 kg/m | 12.25 lb/ft |