ST5x12.7
American standard tees from AISC Shapes Database v16.0. Also designated ST125X18.9.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 127 mm | 5 in |
| Flange width, b_f | 118 mm | 4.66 in |
| Web thickness, t_w | 7.9 mm | 0.311 in |
| Flange thickness, t_f | 12.5 mm | 0.491 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 3,240,000 mm⁴ | 7.79 in⁴ |
| Elastic modulus, Sₓ | 33,600 mm³ | 2.05 in³ |
| Plastic modulus, Zₓ | 60,600 mm³ | 3.7 in³ |
| Radius of gyration, rₓ | 36.8 mm | 1.45 in |
| Distance to top fibre | 30.5 mm | 1.2 in |
| Distance to bottom fibre | 96.5 mm | 3.8 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 1,400,000 mm⁴ | 3.36 in⁴ |
| Elastic modulus, S_y | 23,600 mm³ | 1.44 in³ |
| Plastic modulus, Z_y | 40,800 mm³ | 2.49 in³ |
| Radius of gyration, r_y | 24.1 mm | 0.95 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 125,000 mm⁴ | 0.3 in⁴ |
| Warping constant, C_w | 46,500,000 mm⁶ | 0.173 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 18.9 kg/m | 12.7 lb/ft |