C9x20
Channels from AISC Shapes Database v16.0. Also designated C230X30.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 229 mm | 9 in |
| Flange width, b_f | 67.3 mm | 2.65 in |
| Web thickness, t_w | 11.4 mm | 0.448 in |
| Flange thickness, t_f | 10.5 mm | 0.413 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 25,300,000 mm⁴ | 60.9 in⁴ |
| Elastic modulus, Sₓ | 221,000 mm³ | 13.5 in³ |
| Plastic modulus, Zₓ | 277,000 mm³ | 16.9 in³ |
| Radius of gyration, rₓ | 81.8 mm | 3.22 in |
| Distance to top fibre | 114.5 mm | 4.5 in |
| Distance to bottom fibre | 114.5 mm | 4.5 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 1,000,000 mm⁴ | 2.41 in⁴ |
| Elastic modulus, S_y | 19,200 mm³ | 1.17 in³ |
| Plastic modulus, Z_y | 40,300 mm³ | 2.46 in³ |
| Radius of gyration, r_y | 16.3 mm | 0.64 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 178,000 mm⁴ | 0.427 in⁴ |
| Warping constant, C_w | 1.06000e+10 mm⁶ | 39.4 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 30 kg/m | 20 lb/ft |