ST12x53
American standard tees from AISC Shapes Database v16.0. Also designated ST305X79.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 312 mm | 12.3 in |
| Flange width, b_f | 200 mm | 7.87 in |
| Web thickness, t_w | 15.7 mm | 0.62 in |
| Flange thickness, t_f | 27.7 mm | 1.09 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 89,900,000 mm⁴ | 216 in⁴ |
| Elastic modulus, Sₓ | 395,000 mm³ | 24.1 in³ |
| Plastic modulus, Zₓ | 710,000 mm³ | 43.3 in³ |
| Radius of gyration, rₓ | 94.5 mm | 3.72 in |
| Distance to top fibre | 83.3 mm | 3.28 in |
| Distance to bottom fibre | 228.7 mm | 9.02 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 16,000,000 mm⁴ | 38.4 in⁴ |
| Elastic modulus, S_y | 160,000 mm³ | 9.76 in³ |
| Plastic modulus, Z_y | 274,000 mm³ | 16.7 in³ |
| Radius of gyration, r_y | 39.9 mm | 1.57 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 2,100,000 mm⁴ | 5.05 in⁴ |
| Warping constant, C_w | 4.03000e+9 mm⁶ | 15 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 79 kg/m | 53 lb/ft |