C12x30
Channels from AISC Shapes Database v16.0. Also designated C310X45.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 305 mm | 12 in |
| Flange width, b_f | 80.5 mm | 3.17 in |
| Web thickness, t_w | 13 mm | 0.51 in |
| Flange thickness, t_f | 12.7 mm | 0.501 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 67,400,000 mm⁴ | 162 in⁴ |
| Elastic modulus, Sₓ | 442,000 mm³ | 27 in³ |
| Plastic modulus, Zₓ | 554,000 mm³ | 33.8 in³ |
| Radius of gyration, rₓ | 109 mm | 4.29 in |
| Distance to top fibre | 152.5 mm | 6 in |
| Distance to bottom fibre | 152.5 mm | 6 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 2,130,000 mm⁴ | 5.12 in⁴ |
| Elastic modulus, S_y | 33,600 mm³ | 2.05 in³ |
| Plastic modulus, Z_y | 70,800 mm³ | 4.32 in³ |
| Radius of gyration, r_y | 19.4 mm | 0.762 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 358,000 mm⁴ | 0.861 in⁴ |
| Warping constant, C_w | 4.05000e+10 mm⁶ | 151 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 45 kg/m | 30 lb/ft |