ST12x50
American standard tees from AISC Shapes Database v16.0. Also designated ST305X74.5.
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 | 184 mm | 7.25 in |
| Web thickness, t_w | 18.9 mm | 0.745 in |
| Flange thickness, t_f | 22.1 mm | 0.87 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 89,500,000 mm⁴ | 215 in⁴ |
| Elastic modulus, Sₓ | 431,000 mm³ | 26.3 in³ |
| Plastic modulus, Zₓ | 778,000 mm³ | 47.5 in³ |
| Radius of gyration, rₓ | 97.3 mm | 3.83 in |
| Distance to top fibre | 97.5 mm | 3.84 in |
| Distance to bottom fibre | 207.5 mm | 8.16 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 9,860,000 mm⁴ | 23.7 in⁴ |
| Elastic modulus, S_y | 107,000 mm³ | 6.55 in³ |
| Plastic modulus, Z_y | 197,000 mm³ | 12 in³ |
| Radius of gyration, r_y | 32.3 mm | 1.27 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1,570,000 mm⁴ | 3.76 in⁴ |
| Warping constant, C_w | 5.24000e+9 mm⁶ | 19.5 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 74.5 kg/m | 50 lb/ft |