155 BT 20
Tees cut from universal beams from Australian-Sections.xlsx (Sheets 1-19).
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 151 mm | 5.9449 in |
| Flange width, b_f | 165.1 mm | 6.5 in |
| Web thickness, t_w | 6.1 mm | 0.240157 in |
| Flange thickness, t_f | 10.2 mm | 0.401575 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 4,680,000 mm⁴ | 11.2437 in⁴ |
| Elastic modulus, Sₓ | 38,773.819 mm³ | 2.3661 in³ |
| Plastic modulus, Zₓ | 68,000 mm³ | 4.1496 in³ |
| Radius of gyration, rₓ | 42.5905 mm | 1.6768 in |
| Distance to top fibre | 30.3 mm | 1.1929 in |
| Distance to bottom fibre | 120.7 mm | 4.752 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 3,830,000 mm⁴ | 9.2016 in⁴ |
| Elastic modulus, S_y | 46,396.124 mm³ | 2.8313 in³ |
| Plastic modulus, Z_y | 71,000 mm³ | 4.3327 in³ |
| Radius of gyration, r_y | 38.5292 mm | 1.5169 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 74,100 mm⁴ | 0.178026 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 20 kg/m | 13.4394 lb/ft |