ST3x6.25
American standard tees from AISC Shapes Database v16.0. Also designated ST75X9.3.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 76.2 mm | 3 in |
| Flange width, b_f | 84.6 mm | 3.33 in |
| Web thickness, t_w | 5.89 mm | 0.232 in |
| Flange thickness, t_f | 9.12 mm | 0.359 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 524,000 mm⁴ | 1.26 in⁴ |
| Elastic modulus, Sₓ | 8,960 mm³ | 0.547 in³ |
| Plastic modulus, Zₓ | 16,600 mm³ | 1.01 in³ |
| Radius of gyration, rₓ | 21.1 mm | 0.831 in |
| Distance to top fibre | 17.6 mm | 0.692 in |
| Distance to bottom fibre | 58.6 mm | 2.308 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 375,000 mm⁴ | 0.901 in⁴ |
| Elastic modulus, S_y | 8,870 mm³ | 0.541 in³ |
| Plastic modulus, Z_y | 15,200 mm³ | 0.93 in³ |
| Radius of gyration, r_y | 17.8 mm | 0.702 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 34,500 mm⁴ | 0.083 in⁴ |
| Warping constant, C_w | 5,290,000 mm⁶ | 0.0197 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 9.3 kg/m | 6.25 lb/ft |