C250×30
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 | 254 mm | 10 in |
| Flange width, b_f | 69 mm | 2.7165 in |
| Web thickness, t_w | 9.6 mm | 0.377953 in |
| Flange thickness, t_f | 11.1 mm | 0.437008 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 32,700,000 mm⁴ | 78.5621 in⁴ |
| Elastic modulus, Sₓ | 257,000 mm³ | 15.6831 in³ |
| Radius of gyration, rₓ | 93 mm | 3.6614 in |
| Distance to top fibre | 127 mm | 5 in |
| Distance to bottom fibre | 127 mm | 5 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 1,160,000 mm⁴ | 2.7869 in⁴ |
| Elastic modulus, S_y | 21,500 mm³ | 1.312 in³ |
| Radius of gyration, r_y | 17.5 mm | 0.688976 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 153,000 mm⁴ | 0.367584 in⁴ |
| Warping constant, C_w | 1.50000e+10 mm⁶ | 55.8585 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 30 kg/m | 20 lb/ft |